diff --git a/b_asic/gui_utils/plot_window.py b/b_asic/gui_utils/plot_window.py
index 9d1ec1b68c9577de3670b4f19ae106088426d106..8f4b33493276b786382f29b47f4eeb2ea52ed154 100644
--- a/b_asic/gui_utils/plot_window.py
+++ b/b_asic/gui_utils/plot_window.py
@@ -197,6 +197,17 @@ class PlotWindow(QDialog):
 def start_simulation_dialog(
     sim_results: Dict[str, List[complex]], sfg_name: Optional[str] = None
 ):
+    """
+    Display the simulation results window.
+
+    Parameters
+    ----------
+    sim_results : dict
+        Simulation results of the form obtained from :attr:`~b_asic.simulation.Simulation.results`.
+    sfg_name : str, optional
+        DESCRIPTION. The default is None.
+
+    """
     app = QApplication(sys.argv)
     win = PlotWindow(sim_result=sim_results, sfg_name=sfg_name)
     win.exec_()
diff --git a/docs_sphinx/gui_utils.rst b/docs_sphinx/gui_utils.rst
index 2396b29cd4565df5be5043e05417ced43a893285..50e0d0bc3e3db884ec7d2700e97f910cd5b4c9a8 100644
--- a/docs_sphinx/gui_utils.rst
+++ b/docs_sphinx/gui_utils.rst
@@ -7,3 +7,11 @@ gui\_utils.about\_window module
 .. automodule:: b_asic.gui_utils.about_window
    :members:
    :undoc-members:
+
+
+gui\_utils.plot\_window module
+-------------------------------
+
+.. automodule:: b_asic.gui_utils.plot_window
+   :members:
+   :undoc-members: