1 files changed, 4 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 7e7534d..638964e 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -45,6 +45,10 @@ Core and Builtins
 Library
 -------
 
+- Issue #21827: Fixed textwrap.dedent() for the case when largest common
+  whitespace is a substring of smallest leading whitespace.
+  Based on patch by Robert Li.
+
 - Issue #25447: The lru_cache() wrapper objects now can be copied and pickled
   (by returning the original object unchanged).