Index: gc_lang/fr/webext/content_scripts/init.js
==================================================================
--- gc_lang/fr/webext/content_scripts/init.js
+++ gc_lang/fr/webext/content_scripts/init.js
@@ -581,11 +581,14 @@
         catch (e) {
             showError(e);
         }
     });
 
-    // The API script must be injected this way to be callable by the page
+    // The API script must be injected this way to be callable by the page.
+    // Note: Firefox offers another way to give access to webpage, via “user scripts”
+    //       https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/userScripts
+    //       (Firefox only feature for now)
     let xScriptGrammalecteAPI = document.createElement("script");
     xScriptGrammalecteAPI.src = browser.runtime.getURL("content_scripts/api.js");
     document.documentElement.appendChild(xScriptGrammalecteAPI);
 }