diff --git a/b_asic/signal_flow_graph.py b/b_asic/signal_flow_graph.py
index 0f7bffa95814471312b49ad03a0cdb24943f76a3..c87c4129bde8d6fb51dd0116cd872a8b248a7d1e 100644
--- a/b_asic/signal_flow_graph.py
+++ b/b_asic/signal_flow_graph.py
@@ -21,9 +21,7 @@ class SFG(BasicOperation):
 	_graph_id_generator: GraphIDGenerator
 
 	def __init__(self, input_destinations: List[SignalDestination], output_sources: List[SignalSource]):
-		"""
-		Construct a SFG.
-		"""
+		"""Constructs an SFG."""
 		super().__init__()
 		# TODO: Allocate input/output ports with appropriate IDs.
 		
@@ -37,19 +35,23 @@ class SFG(BasicOperation):
 		return [] # TODO: Implement
 
 	def add_operation(self, operation: Operation) -> GraphID:
-		"""
-		Adds the entered operation to the SFG's dictionary of graph objects and
+		"""Adds the entered operation to the SFG's dictionary of graph objects and
 	 	returns a generated GraphID for it.
+		
+		Keyword arguments:
+		operation: Operation to add to the graph.
 		"""
-		return self._add_graph_obj(operation, 'op')
+		return self._add_graph_obj(operation, operation.get_op_name())
 
 
 	def add_signal(self, signal: Signal) -> GraphID:
-		"""
-		Adds the entered signal to the SFG's dictionary of graph objects and returns
+		"""Adds the entered signal to the SFG's dictionary of graph objects and returns
 		a generated GraphID for it.
+		
+		Keyword argumentst:
+		signal: Signal to add to the graph.
 		"""
-		return self._add_graph_obj(signal, 's')
+		return self._add_graph_obj(signal, 'sig')
 
 
 	def _add_graph_obj(self, obj: Union[Operation, Signal], operation_id_type: str):