diff --git a/CHANGES.rst b/CHANGES.rst
index 6ae248bcd..ea3265b5c 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,6 +4,9 @@ Changelog (Pillow)
 3.3.0 (unreleased)
 ------------------
 
+- Ignore large text blocks in PNG if LOAD_TRUNCATED_IMAGES is enabled #1970
+  [homm]
+
 - Replace index = index+1 in docs with +=1
   [cclauss]