diff --git a/subfiles/about.ismm.md b/subfiles/about.ismm.md
index c126249..502f1c7 100644
--- a/subfiles/about.ismm.md
+++ b/subfiles/about.ismm.md
@@ -31,8 +31,17 @@ www.cloudflare.com
 domain.com
 example.org
 --------------------
+
+*** "Observe and Learn" mode (v1.0.21+)
+	If you don't want to use online public API, or don't want to maintain offline database
+	this option is for you.
+	You'll have to visit cloudflared website because this add-on never make a request to websites.
+	To activate this option, go to "Database" section and select "Use offline local database (Detect and remember at first sight)".
+	To clear local database, go to "Database" section and click "Database". Click "Clear all data".
+
 ```
  
 
 Download add-on
-- [Firefox ESR / Chromium](https://api.wodferndripvpe6ib4uz4rtngrnzichnirgn7t5x64gxcyroopbhsuqd.onion/_/addon.php?give&for=ismitmlink)
\ No newline at end of file
+- From Crimeflare (_Recommend_): [Firefox ESR / Chromium](https://crimeflare.wodferndripvpe6ib4uz4rtngrnzichnirgn7t5x64gxcyroopbhsuqd.onion/)
+- From Gitea (Delay Sync): [FirefoxESR](../addons/releases/ismm.xpi) / [Chromium](../addons/releases/ismm.crx)