diff --git a/b_asic/GUI/main_window.py b/b_asic/GUI/main_window.py
index 1f97c2c9454816805322a094672e95a8531c97da..dcf10df8792d5544a77c5acb6fbdbe7626f2dd2c 100644
--- a/b_asic/GUI/main_window.py
+++ b/b_asic/GUI/main_window.py
@@ -40,7 +40,7 @@ from b_asic.GUI.show_pc_window import ShowPCWindow
 
 # from b_asic.GUI.simulate_sfg_window import Plot, SimulateSFGWindow
 from b_asic.GUI.simulate_sfg_window import SimulateSFGWindow
-from b_asic.GUI.util_dialogs import FaqWindow, KeybindsWindow
+from b_asic.GUI.util_dialogs import FaqWindow, KeybindingsWindow
 from b_asic.GUI.utils import decorate_class, handle_error
 from b_asic.gui_utils.about_window import AboutWindow
 from b_asic.gui_utils.plot_window import PlotWindow
@@ -83,7 +83,21 @@ class MainWindow(QMainWindow):
         self.sfg_dict = {}
         self._window = self
         self.logger = logging.getLogger(__name__)
-        self.init_ui()
+
+        # Create Graphics View
+        self.graphic_view = QGraphicsView(self.scene, self)
+        self.graphic_view.setRenderHint(QPainter.Antialiasing)
+        self.graphic_view.setGeometry(
+            self.ui.operation_box.width(), 20, self.width(), self.height()
+        )
+        self.graphic_view.setDragMode(QGraphicsView.RubberBandDrag)
+
+        # Create toolbar
+        self.toolbar = self.addToolBar("Toolbar")
+        self.toolbar.addAction("Create SFG", self.create_sfg_from_toolbar)
+        self.toolbar.addAction("Clear workspace", self.clear_workspace)
+
+        # Add operations
         self.add_operations_from_namespace(
             b_asic.core_operations, self.ui.core_operations_list
         )
@@ -110,7 +124,7 @@ class MainWindow(QMainWindow):
         self.ui.actionSimulateSFG.triggered.connect(self.simulate_sfg)
         self.ui.faqBASIC.triggered.connect(self.display_faq_page)
         self.ui.aboutBASIC.triggered.connect(self.display_about_page)
-        self.ui.keybindsBASIC.triggered.connect(self.display_keybinds_page)
+        self.ui.keybindsBASIC.triggered.connect(self.display_keybindings_page)
         self.ui.core_operations_list.itemClicked.connect(
             self.on_list_widget_item_clicked
         )
@@ -133,6 +147,10 @@ class MainWindow(QMainWindow):
         self.shortcut_signal = QShortcut(QKeySequence(Qt.Key_Space), self)
         self.shortcut_signal.activated.connect(self._connect_callback)
 
+        self._keybindings_page = None
+        self._about_page = None
+        self._faq_page = None
+
         self.logger.info("Finished setting up GUI")
         self.logger.info(
             "For questions please refer to 'Ctrl+?', or visit the 'Help' "
@@ -141,23 +159,6 @@ class MainWindow(QMainWindow):
 
         self.cursor = QCursor()
 
-    def init_ui(self) -> None:
-        self.create_toolbar_view()
-        self.create_graphics_view()
-
-    def create_graphics_view(self) -> None:
-        self.graphic_view = QGraphicsView(self.scene, self)
-        self.graphic_view.setRenderHint(QPainter.Antialiasing)
-        self.graphic_view.setGeometry(
-            self.ui.operation_box.width(), 20, self.width(), self.height()
-        )
-        self.graphic_view.setDragMode(QGraphicsView.RubberBandDrag)
-
-    def create_toolbar_view(self) -> None:
-        self.toolbar = self.addToolBar("Toolbar")
-        self.toolbar.addAction("Create SFG", self.create_sfg_from_toolbar)
-        self.toolbar.addAction("Clear workspace", self.clear_workspace)
-
     def resizeEvent(self, event) -> None:
         ui_width = self.ui.operation_box.width()
         self.ui.operation_box.setGeometry(10, 10, ui_width, self.height())
@@ -565,8 +566,8 @@ class MainWindow(QMainWindow):
     def _create_operation_item(self, item) -> None:
         self.logger.info("Creating operation of type: %s" % str(item.text()))
         try:
-            attr_oper = self._operations_from_name[item.text()]()
-            self.create_operation(attr_oper)
+            attr_operation = self._operations_from_name[item.text()]()
+            self.create_operation(attr_operation)
         except Exception as e:
             self.logger.error(
                 "Unexpected error occurred while creating operation: " + str(e)
@@ -712,16 +713,19 @@ class MainWindow(QMainWindow):
         self._simulation_dialog.simulate.connect(self._simulate_sfg)
 
     def display_faq_page(self, event=None) -> None:
-        self._faq_page = FaqWindow(self)
+        if self._faq_page is None:
+            self._faq_page = FaqWindow(self)
         self._faq_page.scroll_area.show()
 
     def display_about_page(self, event=None) -> None:
-        self._about_page = AboutWindow(self)
+        if self._about_page is None:
+            self._about_page = AboutWindow(self)
         self._about_page.show()
 
-    def display_keybinds_page(self, event=None) -> None:
-        self._keybinds_page = KeybindsWindow(self)
-        self._keybinds_page.show()
+    def display_keybindings_page(self, event=None) -> None:
+        if self._keybindings_page is None:
+            self._keybindings_page = KeybindingsWindow(self)
+        self._keybindings_page.show()
 
 
 def start_gui():
diff --git a/b_asic/GUI/util_dialogs.py b/b_asic/GUI/util_dialogs.py
index e5a8d3f39fc828f0b08f540f5ebbb7eb7acf3ca9..f7f148a364a1f468fcca6f68b9fabf1fa38dac1e 100644
--- a/b_asic/GUI/util_dialogs.py
+++ b/b_asic/GUI/util_dialogs.py
@@ -65,7 +65,7 @@ _QUESTIONS = {
 }
 
 
-class KeybindsWindow(QDialog):
+class KeybindingsWindow(QDialog):
     def __init__(self, window):
         super().__init__()
         self._window = window
@@ -88,7 +88,7 @@ class KeybindsWindow(QDialog):
         frame.setFrameShadow(QFrame.Sunken)
         self.dialog_layout.addWidget(frame)
 
-        keybinds_label = QLabel(
+        keybindings_label = QLabel(
             "'Ctrl+R' - Reload the operation list to add any new operations "
             "created.\n"
             "'Ctrl+Q' - Quit the application.\n"
@@ -104,7 +104,7 @@ class KeybindsWindow(QDialog):
         self.dialog_layout.addLayout(information_layout)
         self.dialog_layout.addWidget(frame)
 
-        self.dialog_layout.addWidget(keybinds_label)
+        self.dialog_layout.addWidget(keybindings_label)
 
 
 class FaqWindow(QDialog):
diff --git a/b_asic/core_operations.py b/b_asic/core_operations.py
index 34b6c7d0d384392c7d2140d3a4fa50eaff1c71cb..958b3e258ab3ba7c121fc8afa04be3d0fe94f668 100644
--- a/b_asic/core_operations.py
+++ b/b_asic/core_operations.py
@@ -360,7 +360,7 @@ class Multiplication(AbstractOperation):
     @property
     def is_linear(self) -> bool:
         return any(
-            input.connected_source.operation.is_constant for input in self.inputs
+            input_.connected_source.operation.is_constant for input_ in self.inputs
         )
 
 
diff --git a/b_asic/graph_component.py b/b_asic/graph_component.py
index f4725892dbaf3c7fcc9173f42283471d2d20cb46..46d26a80e94c21f56766ca2cdd4070a979844dd2 100644
--- a/b_asic/graph_component.py
+++ b/b_asic/graph_component.py
@@ -130,10 +130,7 @@ class AbstractGraphComponent(GraphComponent):
             f"id: {self.graph_id if self.graph_id else 'no_id'}, \tname:"
             f" {self.name if self.name else 'no_name'}"
             + "".join(
-                (
-                    f", \t{key}: {str(param)}"
-                    for key, param in self._parameters.items()
-                )
+                (f", \t{key}: {str(param)}" for key, param in self._parameters.items())
             )
         )
 
@@ -176,12 +173,12 @@ class AbstractGraphComponent(GraphComponent):
     def traverse(self) -> Generator[GraphComponent, None, None]:
         # Breadth first search.
         visited = {self}
-        fontier = deque([self])
-        while fontier:
-            component = fontier.popleft()
+        frontier = deque([self])
+        while frontier:
+            component = frontier.popleft()
             yield component
             for neighbor in component.neighbors:
                 neighbor = cast(AbstractGraphComponent, neighbor)
                 if neighbor not in visited:
                     visited.add(neighbor)
-                    fontier.append(neighbor)
+                    frontier.append(neighbor)
diff --git a/b_asic/gui_utils/plot_window.py b/b_asic/gui_utils/plot_window.py
index 8f4b33493276b786382f29b47f4eeb2ea52ed154..d33033eed7e650679d7574923eae121075364cce 100644
--- a/b_asic/gui_utils/plot_window.py
+++ b/b_asic/gui_utils/plot_window.py
@@ -1,20 +1,14 @@
 """PlotWindow is a window in which simulation results are plotted."""
 
-# TODO's:
-# * Solve the legend update. That isn't working at all.
-# * Add a function to run this as a "stand-alone".
-
 import re
 import sys
-from typing import Dict, List, Optional, Tuple
+from typing import Dict, List, Optional
 
 from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
 from matplotlib.backends.backend_qt5agg import NavigationToolbar2QT as NavigationToolbar
 from matplotlib.figure import Figure
 from matplotlib.ticker import MaxNLocator
 from qtpy.QtCore import Qt
-
-# Intereme imports for the Plot class:
 from qtpy.QtWidgets import (  # QFrame,; QScrollArea,; QLineEdit,; QSizePolicy,; QLabel,; QFileDialog,; QShortcut,
     QApplication,
     QCheckBox,
@@ -144,18 +138,18 @@ class PlotWindow(QDialog):
         # listlayout.addWidget(self.ontop_checkbox)
 
         # Add "Close" buttons
-        buttonClose = QPushButton("&Close", self)
-        buttonClose.clicked.connect(self.close)
-        listlayout.addWidget(buttonClose)
+        button_close = QPushButton("&Close", self)
+        button_close.clicked.connect(self.close)
+        listlayout.addWidget(button_close)
 
         # Done. Tell the functions below to redraw the canvas when needed.
         # self.plotcanvas.draw()
         self._auto_redraw = True
 
-    def _legend_checkbox_change(self, checkState):
-        self._legend.set(visible=(checkState == Qt.CheckState.Checked))
+    def _legend_checkbox_change(self, check_state):
+        self._legend.set(visible=(check_state == Qt.CheckState.Checked))
         if self._auto_redraw:
-            if checkState == Qt.CheckState.Checked:
+            if check_state == Qt.CheckState.Checked:
                 self._legend = self._plot_axes.legend()
             self._plot_canvas.draw()
 
diff --git a/b_asic/operation.py b/b_asic/operation.py
index 3762c1b467eb41f34f5f027ef2762b98175f38df..673fb4c5dcd71f68a6046fb24ecd8328e61661ba 100644
--- a/b_asic/operation.py
+++ b/b_asic/operation.py
@@ -856,9 +856,9 @@ class AbstractOperation(Operation, AbstractGraphComponent):
             operation_copy: Operation = cast(Operation, self.copy_component())
             inputs = []
             for i in range(self.input_count):
-                _input = Input()
-                operation_copy.input(i).connect(_input)
-                inputs.append(_input)
+                input_ = Input()
+                operation_copy.input(i).connect(input_)
+                inputs.append(input_)
 
             outputs = [Output(operation_copy)]
 
@@ -868,8 +868,8 @@ class AbstractOperation(Operation, AbstractGraphComponent):
         new_component: Operation = cast(
             Operation, super().copy_component(*args, **kwargs)
         )
-        for i, input in enumerate(self.inputs):
-            new_component.input(i).latency_offset = input.latency_offset
+        for i, _input in enumerate(self.inputs):
+            new_component.input(i).latency_offset = _input.latency_offset
         for i, output in enumerate(self.outputs):
             new_component.output(i).latency_offset = output.latency_offset
         new_component.execution_time = self._execution_time
@@ -974,8 +974,8 @@ class AbstractOperation(Operation, AbstractGraphComponent):
 
         return max(
             (
-                (cast(int, output.latency_offset) - cast(int, input.latency_offset))
-                for output, input in it.product(self.outputs, self.inputs)
+                (cast(int, output.latency_offset) - cast(int, input_.latency_offset))
+                for output, input_ in it.product(self.outputs, self.inputs)
             )
         )
 
@@ -983,8 +983,8 @@ class AbstractOperation(Operation, AbstractGraphComponent):
     def latency_offsets(self) -> Dict[str, Optional[int]]:
         latency_offsets = {}
 
-        for i, input in enumerate(self.inputs):
-            latency_offsets[f"in{i}"] = input.latency_offset
+        for i, input_ in enumerate(self.inputs):
+            latency_offsets[f"in{i}"] = input_.latency_offset
 
         for i, output in enumerate(self.outputs):
             latency_offsets[f"out{i}"] = output.latency_offset
@@ -992,7 +992,7 @@ class AbstractOperation(Operation, AbstractGraphComponent):
         return latency_offsets
 
     def _check_all_latencies_set(self) -> None:
-        """Raises an exception of an input or output does not have its latency offset set
+        """Raises an exception if an input or output does not have its latency offset set
         """
         self.input_latency_offsets()
         self.output_latency_offsets()
@@ -1159,5 +1159,5 @@ class AbstractOperation(Operation, AbstractGraphComponent):
     @property
     def is_constant(self) -> bool:
         return all(
-            input.connected_source.operation.is_constant for input in self.inputs
+            input_.connected_source.operation.is_constant for input_ in self.inputs
         )
diff --git a/b_asic/process.py b/b_asic/process.py
index 797af4fa710004c3b2d187011e371686b2a8c830..4c8f004d1c28f492de105066e107b71a9de45ef7 100644
--- a/b_asic/process.py
+++ b/b_asic/process.py
@@ -72,7 +72,7 @@ class OperatorProcess(Process):
     ==========
     start_time : int
         Start time of process.
-    operation : Operation
+    operation : :class:`~b_asic.operation.Operation`
         Operation that the process corresponds to.
     name : str, optional
         The name of the process.
@@ -106,11 +106,11 @@ class MemoryVariable(Process):
 
     write_time : int
         Time when the memory variable is written.
-    write_port : OutputPort
+    write_port : :class:`~b_asic.port.OutputPort`
         The OutputPort that the memory variable originates from.
-    reads : {InputPort: int, ...}
-        Dictionary with the InputPorts that reads the memory variable and
-        for how long after the *write_time* they will read.
+    reads : dict
+        Dictionary with :class:`~b_asic.port.InputPort` that reads the memory variable as key and
+        for how long after the *write_time* it will read.
     name : str, optional
         The name of the process.
     """
diff --git a/b_asic/research/interleaver.py b/b_asic/research/interleaver.py
index ae87931847830b1865f34eafa6584a4d52893ff4..77763c025b546d770ffe0894fd22fb80d5dacfe6 100644
--- a/b_asic/research/interleaver.py
+++ b/b_asic/research/interleaver.py
@@ -3,13 +3,15 @@ Functions to generate memory-variable test data that are used for research.
 """
 
 import random
-from typing import Optional, Set
+from typing import List, Optional, Tuple
 
 from b_asic.process import PlainMemoryVariable
 from b_asic.resources import ProcessCollection
 
 
-def _insert_delays(inputorder, outputorder, min_lifetime, cyclic):
+def _insert_delays(
+    inputorder: List[int], outputorder: List[int], min_lifetime: int, cyclic: bool
+) -> Tuple[List[int], List[int]]:
     size = len(inputorder)
     maxdiff = min(outputorder[i] - inputorder[i] for i in range(size))
     outputorder = [o - maxdiff + min_lifetime for o in outputorder]
diff --git a/b_asic/resources.py b/b_asic/resources.py
index 9a56b514dca3192d7b7623d95f22ebca749f9f18..1245138993bd3d90a7c05c632f1c4ba87839e8fd 100644
--- a/b_asic/resources.py
+++ b/b_asic/resources.py
@@ -376,10 +376,12 @@ class ProcessCollection:
         ----------
         heuristic : {'graph_color', 'left_edge'}, default: 'graph_color'
             The heuristic used when splitting based on execution times.
+
         coloring_strategy : str, default: 'saturation_largest_first'
             Node ordering strategy passed to :func:`networkx.coloring.greedy_color`.
             This parameter is only considered if *heuristic* is set to 'graph_color'.
             One of
+
             * 'largest_first'
             * 'random_sequential'
             * 'smallest_last'
@@ -418,14 +420,18 @@ class ProcessCollection:
         heuristic : str, default: "graph_color"
             The heuristic used when splitting this ProcessCollection.
             Valid options are:
+
             * "graph_color"
             * "..."
+
         read_ports : int, optional
             The number of read ports used when splitting process collection based on
             memory variable access.
+
         write_ports : int, optional
             The number of write ports used when splitting process collection based on
             memory variable access.
+
         total_ports : int, optional
             The total number of ports used when splitting process collection based on
             memory variable access.
diff --git a/b_asic/save_load_structure.py b/b_asic/save_load_structure.py
index a6bdf27a8b77e17c6e479af76d73bb3659d94980..74d531312112425011bcf5ad065ec81287ca53cb 100644
--- a/b_asic/save_load_structure.py
+++ b/b_asic/save_load_structure.py
@@ -23,7 +23,7 @@ def sfg_to_python(
 
     Parameters
     ----------
-    sfg : SFG
+    sfg : :class:`~b_asic.signal_flow_graph.SFG`
         The SFG to serialize.
     counter : int, default: 0
         Number used for naming the SFG. Enables SFGs in SFGs.
@@ -167,7 +167,7 @@ def schedule_to_python(schedule: Schedule) -> str:
 
     Parameters
     ----------
-    schedule : Schedule
+    schedule : :class:`~b_asic.schedule.Schedule`
         The schedule to serialize.
     """
     if not isinstance(schedule, Schedule):
diff --git a/b_asic/schedule.py b/b_asic/schedule.py
index 8390942eebf598015bf41fa603d0fd31f910b5d9..a5f298f84b007a4b6f78edcbd3f85c1554f9ad2a 100644
--- a/b_asic/schedule.py
+++ b/b_asic/schedule.py
@@ -48,7 +48,7 @@ class Schedule:
 
     Parameters
     ----------
-    sfg : SFG
+    sfg : :class:`~b_asic.signal_flow_graph.SFG`
         The signal flow graph to schedule.
     schedule_time : int, optional
         The schedule time. If not provided, it will be determined by the scheduling
@@ -899,7 +899,7 @@ class Schedule:
 
         Parameters
         ----------
-        ax : matplotlib.axes.Axes
+        ax : :class:`~matplotlib.axes.Axes`
             The :class:`matplotlib.axes.Axes` to plot in.
         operation_gap : float, optional
             The vertical distance between operations in the schedule. The height of
diff --git a/b_asic/scheduler_gui/compile.py b/b_asic/scheduler_gui/compile.py
index 388c884c5f3e90971b4ac9fb2a84e68793b1cb21..88c8f9837ca5c0d6388a7aef384ae4e30704d06c 100644
--- a/b_asic/scheduler_gui/compile.py
+++ b/b_asic/scheduler_gui/compile.py
@@ -46,7 +46,7 @@ def _check_qt_version() -> None:
 
 
 def replace_qt_bindings(filename: str) -> None:
-    """Raplaces qt-binding api in *filename* from PySide2/6 or PyQt5/6 to qtpy."""
+    """Replaces qt-binding API in *filename* from PySide2/6 or PyQt5/6 to qtpy."""
     with open(f"{filename}", "r") as file:
         filedata = file.read()
         filedata = filedata.replace("from PyQt5", "from qtpy")
@@ -64,7 +64,7 @@ def compile_rc(*filenames: str) -> None:
     """
     _check_qt_version()
 
-    def compile(filename: str) -> None:
+    def _compile(filename: str) -> None:
         outfile = f"{os.path.splitext(filename)[0]}_rc.py"
         rcc = shutil.which("pyside2-rcc")
         arguments = f"-g python -o {outfile} {filename}"
@@ -117,12 +117,12 @@ def compile_rc(*filenames: str) -> None:
         ]
 
         for filename in rc_files:
-            compile(filename)
+            _compile(filename)
 
     else:
         _check_filenames(*filenames)
         for filename in filenames:
-            compile(filename)
+            _compile(filename)
 
 
 def compile_ui(*filenames: str) -> None:
@@ -132,7 +132,7 @@ def compile_ui(*filenames: str) -> None:
     """
     _check_qt_version()
 
-    def compile(filename: str) -> None:
+    def _compile(filename: str) -> None:
         directory, file = os.path.split(filename)
         file = os.path.splitext(file)[0]
         directory = directory if directory else "."
@@ -219,11 +219,11 @@ def compile_ui(*filenames: str) -> None:
             if name.endswith(".ui")
         ]
         for filename in ui_files:
-            compile(filename)
+            _compile(filename)
     else:
         _check_filenames(*filenames)
         for filename in filenames:
-            compile(filename)
+            _compile(filename)
 
 
 def compile_all() -> None:
diff --git a/b_asic/scheduler_gui/logger.py b/b_asic/scheduler_gui/logger.py
index d8bd4a526511a3821e7f5113ec0e948b563c0a52..d4c55287912ec444aec372895a1913e9c1331228 100644
--- a/b_asic/scheduler_gui/logger.py
+++ b/b_asic/scheduler_gui/logger.py
@@ -9,7 +9,7 @@ on the :mod:`logging` module and has predefined levels of logging.
 Usage:
 ------
 
-    >>> import logger
+    >>> import b_asic.scheduler_gui.logger as logger
     >>> log = logger.getLogger()
     >>> log.info('This is a log post with level INFO')
 
@@ -87,7 +87,7 @@ def getLogger(filename: str = "scheduler-gui.log", loglevel: str = "INFO") -> Lo
         loglevel = getattr(logging, loglevel.upper(), logging.INFO)
         logger.setLevel(loglevel)
 
-        # setup the console logger
+        # set up the console logger
         c_fmt_date = "%T"
         c_fmt = (
             "[%(process)d] %(asctime)s %(filename)18s:%(lineno)-4s"
diff --git a/b_asic/signal_flow_graph.py b/b_asic/signal_flow_graph.py
index 988673cdc31535522d943502c67b31a07f844831..fc12e9193eee84bf3581deaad593dbcafd3a9658 100644
--- a/b_asic/signal_flow_graph.py
+++ b/b_asic/signal_flow_graph.py
@@ -617,13 +617,13 @@ class SFG(AbstractOperation):
         if component_copy.input_count != component.input_count:
             raise TypeError("The input count may not differ between the operations")
 
-        for index_in, inp in enumerate(component_copy.inputs):
-            for signal in inp.signals:
+        for index_in, input_ in enumerate(component_copy.inputs):
+            for signal in input_.signals:
                 signal.remove_destination()
                 signal.set_destination(component.input(index_in))
 
-        for index_out, outp in enumerate(component_copy.outputs):
-            for signal in outp.signals:
+        for index_out, output in enumerate(component_copy.outputs):
+            for signal in output.signals:
                 signal.remove_source()
                 signal.set_source(component.output(index_out))
 
@@ -1410,8 +1410,8 @@ class SFG(AbstractOperation):
         # and outputs of all operations
         for layer, op_list in enumerate(new_ops):
             for op_idx, op in enumerate(op_list):
-                for input in op.inputs:
-                    input.clear()
+                for input_ in op.inputs:
+                    input_.clear()
                 for output in op.outputs:
                     output.clear()
 
@@ -1458,7 +1458,7 @@ class SFG(AbstractOperation):
                     for out_signal in op.outputs[0].signals:
                         sink_port = out_signal.destination
                         if sink_port is None:
-                            # It would be weird if we found a signal but it wasn't connected anywere
+                            # It would be weird if we found a signal that wasn't connected anywhere
                             raise ValueError("Dangling output port in sfg")
 
                         sink_op_idx = id_idx_map[sink_port.operation.graph_id]
diff --git a/b_asic/signal_generator.py b/b_asic/signal_generator.py
index 9f8f199147a245bc09d422f64c507db79f42ed15..ec3ceb6b17b9810a0ba8fd023b818088b1aafb72 100644
--- a/b_asic/signal_generator.py
+++ b/b_asic/signal_generator.py
@@ -13,7 +13,6 @@ if you want more information.
 
 from math import pi, sin
 from numbers import Number
-from pathlib import Path
 from typing import Optional, Sequence
 
 import numpy as np
@@ -300,7 +299,7 @@ class Delay(SignalGenerator):
     """
     Signal generator that delays the value of another signal generator.
 
-    This can used to easily delay a sequence during simulation.
+    This can be used to easily delay a sequence during simulation.
 
     .. note:: Although the purpose is to delay, it is also possible to look ahead by
               providing a negative delay.
diff --git a/test/test_gui.py b/test/test_gui.py
index ebe7dcd681de61d809add1d08e3059ce3e1a166a..7e339634fbce95e1fc5da811c5a1ed83e8060194 100644
--- a/test/test_gui.py
+++ b/test/test_gui.py
@@ -139,11 +139,11 @@ def test_help_dialogs(qtbot):
 
     widget.display_faq_page()
     widget.display_about_page()
-    widget.display_keybinds_page()
+    widget.display_keybindings_page()
     qtbot.wait(100)
     widget._faq_page.close()
     widget._about_page.close()
-    widget._keybinds_page.close()
+    widget._keybindings_page.close()
 
     widget.exit_app()