diff --git a/precision_drawing_tools/pdt_bix.py b/precision_drawing_tools/pdt_bix.py
index ec9661d96dee0b74a46e969b1088d9ea069c2469..286d3b2bef940c9fee57cd6bdb51b90266fede87 100644
--- a/precision_drawing_tools/pdt_bix.py
+++ b/precision_drawing_tools/pdt_bix.py
@@ -134,6 +134,11 @@ class PDT_OT_LineOnBisection(bpy.types.Operator):
     def execute(self, context):
         """Computes Bisector of 2 Co-Planar Edges.
 
+        Note:
+            Requires an Active Object
+            Active Object must be Mesh type
+            Active Object must be in Edit Mode.
+
         Args:
             context: Blender bpy.context instance.
 
diff --git a/precision_drawing_tools/pdt_library.py b/precision_drawing_tools/pdt_library.py
index 555b57d3976afafd670e2a45c5b9b46f06585494..d69d5adc583c18923f69b54677f10dbcac85a7b0 100644
--- a/precision_drawing_tools/pdt_library.py
+++ b/precision_drawing_tools/pdt_library.py
@@ -73,7 +73,7 @@ class PDT_OT_Append(Operator):
         Args:
             context: Blender bpy.context instance.
 
-        Notes:
+        Note:
             Uses pg.lib_objects, pg.lib_collections & pg.lib_materials
 
         Returns:
@@ -151,7 +151,7 @@ class PDT_OT_Link(Operator):
         Args:
             context: Blender bpy.context instance.
 
-        Notes:
+        Note:
             Uses pg.lib_objects, pg.lib_collections & pg.lib_materials
 
         Returns:
diff --git a/precision_drawing_tools/pdt_pivot_point.py b/precision_drawing_tools/pdt_pivot_point.py
index 660a7a99a4b7ee66d5173ca17cda94f7ab544810..75cb3c16218247d35bc547b6f20ec25dfa68cd64 100644
--- a/precision_drawing_tools/pdt_pivot_point.py
+++ b/precision_drawing_tools/pdt_pivot_point.py
@@ -142,7 +142,7 @@ class PDT_OT_ViewPlaneRotate(Operator):
         Args:
             context: Blender bpy.context instance.
 
-        Notes:
+        Note:
             Uses pg.pivot_loc, pg.pivot_ang scene variables
 
         Returns:
diff --git a/precision_drawing_tools/pdt_view.py b/precision_drawing_tools/pdt_view.py
index e7fb87ccd8e87b2dc7306b4b2f4fd764f125876e..b11a3f5502c8f9bde76c8ecf746c4ce71adae526 100644
--- a/precision_drawing_tools/pdt_view.py
+++ b/precision_drawing_tools/pdt_view.py
@@ -48,7 +48,7 @@ class PDT_OT_ViewRot(Operator):
         Args:
             context: Blender bpy.context instance.
 
-        Notes:
+        Note:
             Uses pg.rotation_coords scene variables
 
         Returns:
@@ -82,7 +82,7 @@ class PDT_OT_ViewRotL(Operator):
         Args:
             context: Blender bpy.context instance.
 
-        Notes:
+        Note:
             Uses pg.vrotangle scene variable
 
         Returns:
@@ -111,7 +111,7 @@ class PDT_OT_ViewRotR(Operator):
         Args:
             context: Blender bpy.context instance.
 
-        Notes:
+        Note:
             Uses pg.vrotangle scene variable
 
         Returns:
@@ -140,7 +140,7 @@ class PDT_OT_ViewRotU(Operator):
         Args:
             context: Blender bpy.context instance.
 
-        Notes:
+        Note:
             Uses pg.vrotangle scene variable
 
         Returns:
@@ -169,7 +169,7 @@ class PDT_OT_ViewRotD(Operator):
         Args:
             context: Blender bpy.context instance.
 
-        Notes:
+        Note:
             Uses pg.vrotangle scene variable
 
         Returns:
@@ -198,7 +198,7 @@ class PDT_OT_ViewRoll(Operator):
         Args:
             context: Blender bpy.context instance.
 
-        Notes:
+        Note:
             Uses pg.vrotangle scene variable
 
         Returns: