diff --git a/Lib/threading.py b/Lib/threading.py
index 1aed551c5ff..cbcc1f91b28 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -102,7 +102,7 @@ def acquire(self, blocking=1):
             self.__owner = me
             self.__count = 1
             if __debug__:
-                self._note("%s.acquire(%s): initial succes", self, blocking)
+                self._note("%s.acquire(%s): initial success", self, blocking)
         else:
             if __debug__:
                 self._note("%s.acquire(%s): failure", self, blocking)