Issue #25523: Backported a-to-an corrections.
diff --git a/Lib/lib-tk/Tkinter.py b/Lib/lib-tk/Tkinter.py
index cb7edf0..b4f6b3c 100644
--- a/Lib/lib-tk/Tkinter.py
+++ b/Lib/lib-tk/Tkinter.py
@@ -1117,7 +1117,7 @@
return self._bind(('bind', className), sequence, func, add, 0)
def unbind_class(self, className, sequence):
- """Unbind for a all widgets with bindtag CLASSNAME for event SEQUENCE
+ """Unbind for all widgets with bindtag CLASSNAME for event SEQUENCE
all functions."""
self.tk.call('bind', className , sequence, '')
def mainloop(self, n=0):