diff --git a/PyQt5-stubs/QtCore.pyi b/PyQt5-stubs/QtCore.pyi
index 5a3e570a..5d3f73c5 100644
--- a/PyQt5-stubs/QtCore.pyi
+++ b/PyQt5-stubs/QtCore.pyi
@@ -36,7 +36,7 @@ class pyqtSignal:  # add methods
 
 
 class pyqtBoundSignal:
-    signal = ... # type: 'str'
+    signal = ... # type: str
 
     def emit(self, *args: typing.Any) -> None: ...