diff --git a/docs/releases/1.11.6.txt b/docs/releases/1.11.6.txt
index 4069c8297e..cc8e1bfa59 100644
--- a/docs/releases/1.11.6.txt
+++ b/docs/releases/1.11.6.txt
@@ -9,4 +9,5 @@ Django 1.11.6 fixes several bugs in 1.11.5.
 Bugfixes
 ========
 
-* ...
+* Made the ``CharField`` form field convert whitespace-only values to the
+  ``empty_value`` when ``strip`` is enabled (:ticket:`28555`).