diff --git a/CHANGES b/CHANGES
index 1c6fccd01..bdecba879 100644
--- a/CHANGES
+++ b/CHANGES
@@ -22,6 +22,7 @@ Bugs fixed
 * #3685: AttributeError when using 3rd party domains
 * #3702: LaTeX writer styles figure legends with a hard-coded ``\small``
 * #3708: LaTeX writer allows irc scheme
+* #3717: Stop enforcing that favicon's must be .ico
 
 Testing
 --------