add '
diff --git a/Misc/NEWS b/Misc/NEWS
index 99ebd1b..d763e0f 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -11,7 +11,7 @@
 -----------------
 
 - Issue #12475: Prevent generators from leaking their exception state into the
-  callers frame as they return for the last time.
+  caller's frame as they return for the last time.
 
 Library
 -------