diff --git a/winsup/cygwin/release/2.5.3 b/winsup/cygwin/release/2.5.3
index 0a273964a..c97cd648d 100644
--- a/winsup/cygwin/release/2.5.3
+++ b/winsup/cygwin/release/2.5.3
@@ -21,3 +21,6 @@ Bug Fixes
   Addresses: https://cygwin.com/ml/cygwin/2016-07/msg00067.html
 
 - Change blkcnt_t to signed type per POSIX.
+
+- Fix transposing invalid chars in Windows filenames on relative paths.
+  Addresses: https://cygwin.com/ml/cygwin/2016-07/msg00193.html