Update clean.yml

.github/workflows/clean.yml

@@ -248,7 +248,7 @@ jobs:
           pr_body: |
             This pull request is created by [clean][1] workflow. 
 
-            The script checks each link and removes only those that return a HTTP 404 code (Not Found). Also, the script ignores links with labels `[Geo-blocked]`, `[Offline]` and `[Not 24/7]` in the title.
+            The script checks each link and removes those that do not contain working streams or return any error, except for HTTP error 403 (Forbidden). Also, the script ignores all links with labels `[Geo-blocked]`, `[Offline]` or `[Not 24/7]` in the title.
 
             **IMPORTANT:** Before merging all links should be checked manually to make sure that the response from the server has not changed. Working links should be marked as `[Not 24/7]` so that next time the script will not delete them.