fixup! Inspector : Add support for direct editing from `Inspector::Re…

…sult`

src/GafferSceneUI/SetMembershipInspector.cpp

@@ -153,7 +153,9 @@ bool canEdit( const Gaffer::Plug *plug, const IECore::Object *value, std::string
 		// If we've received a plug without a node, it's expected
 		// that this edit would need to be first acquired from an
 		// EditScope, which would create an appropriate plug to
-		// receive a BoolData edit.
+		// receive a BoolData edit. Typically this situation would
+		// arise from a plug being created by `Inspector::Result::canEdit()`
+		// when it cannot acquire an existing edit.
 		return true;
 	}