diff --git a/CHANGELOG.md b/CHANGELOG.md
index b748ea41..7dbe7c69 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,15 @@
 # Changelog
 
+## v???
+
+### Minor changes and fixes
+
+* Updating dependencies
+* Message near the diagnostic button to suggest to refresh the page if not working.
+
 ## v4.0.2
 
-### Minor changes dans fixes
+### Minor changes and fixes
 
 * Updating dependencies
 * Better package description
diff --git a/server/lib/settings.ts b/server/lib/settings.ts
index 72ac848a..4d608684 100644
--- a/server/lib/settings.ts
+++ b/server/lib/settings.ts
@@ -22,7 +22,8 @@ function initSettings (options: RegisterServerOptions): void {
     type: 'html',
     private: true,
     descriptionHTML: `Before asking for help, please use the diagnostic tool:
-<a class="peertube-plugin-livechat-launch-diagnostic">Launch diagnostic</a>`
+<a class="peertube-plugin-livechat-launch-diagnostic">Launch diagnostic</a>
+(if this button is not opening a new window, please try to refresh the page).`
   })
 
   // ********** Chat Mode