update docs

CHANGES.md

@@ -1,6 +1,11 @@
 # CHANGES
 
-## 3.5.10-RC
+## 3.5.11-RC
+
+* Fix: HackMD Editor shows 404 error when HackMD redirect to fqdn URI
+    * Introduced by 3.5.8
+
+## 3.5.10
 
 * Feature: Send Global Notification with Slack
 * Improvement: Show loading spinner when fetching page history data