diff --git a/README.md b/README.md
index af3b98e..1ecc471 100644
--- a/README.md
+++ b/README.md
@@ -86,4 +86,4 @@ To know if the answer has been copied to the clipboard, you can look at the titl
 
 ## Test
 
-To test the code, you can run the index.html file located in the <b>"test"</b> folder.
+To test the code, you can run the index.html file located in the <b>"test"</b> folder with a local server on localhost.
diff --git a/extension/manifest.json b/extension/manifest.json
index 13a3061..8ef8da9 100644
--- a/extension/manifest.json
+++ b/extension/manifest.json
@@ -18,7 +18,7 @@
 
   "content_scripts": [
     {
-      "matches": ["https://*/*", "http://*/*"],
+      "matches": ["*://*/mod/quiz/*", "http://localhost:*/*"],
       "js": ["moodle-gpt.js"],
       "run_at": "document_end"
     }
diff --git a/extension/popup/index.html b/extension/popup/index.html
index 527c05c..e186268 100644
--- a/extension/popup/index.html
+++ b/extension/popup/index.html
@@ -56,7 +56,7 @@
             <label for="logs">Console logs</label>
           </div>
           <div class="line">
-            <input id="title" type="checkbox" />
+            <input id="title" type="checkbox" checked />
             <label for="title">Title indication</label>
           </div>
           <div class="line">