diff --git a/ext/js/app/frontend.js b/ext/js/app/frontend.js
index b093ec33fe..e386bf64d9 100644
--- a/ext/js/app/frontend.js
+++ b/ext/js/app/frontend.js
@@ -552,9 +552,11 @@ export class Frontend {
             }
         }
 
-        // The token below is used as a unique identifier to ensure that a new _updatePopup call
-        // hasn't been started during the await.
-        /** @type {?import('core').TokenObject} */
+        /**
+         * The token below is used as a unique identifier to ensure that a new _updatePopup call
+         * hasn't been started during the await.
+         * @type {?import('core').TokenObject}
+         */
         const token = {};
         this._updatePopupToken = token;
         const popup = await popupPromise;
diff --git a/ext/js/background/backend.js b/ext/js/background/backend.js
index ae78a97b5c..c0d3cabdb9 100644
--- a/ext/js/background/backend.js
+++ b/ext/js/background/backend.js
@@ -1664,6 +1664,7 @@ export class Backend {
     }
 
     /**
+     * This function works around the need to have the "tabs" permission to access tab.url.
      * @param {number} timeout
      * @param {boolean} multiple
      * @param {import('backend').FindTabsPredicate} predicate
@@ -1671,7 +1672,6 @@ export class Backend {
      * @returns {Promise<import('backend').TabInfo[]|(?import('backend').TabInfo)>}
      */
     async _findTabs(timeout, multiple, predicate, predicateIsAsync) {
-        // This function works around the need to have the "tabs" permission to access tab.url.
         const tabs = await this._getAllTabs();
 
         let done = false;
diff --git a/ext/js/comm/clipboard-monitor.js b/ext/js/comm/clipboard-monitor.js
index 3b3a56a9d7..86d537fd44 100644
--- a/ext/js/comm/clipboard-monitor.js
+++ b/ext/js/comm/clipboard-monitor.js
@@ -47,11 +47,13 @@ export class ClipboardMonitor extends EventDispatcher {
     start() {
         this.stop();
 
-        // The token below is used as a unique identifier to ensure that a new clipboard monitor
-        // hasn't been started during the await call. The check below the await call
-        // will exit early if the reference has changed.
         let canChange = false;
-        /** @type {?import('core').TokenObject} */
+        /**
+         * This token is used as a unique identifier to ensure that a new clipboard monitor
+         * hasn't been started during the await call. The check below the await call
+         * will exit early if the reference has changed.
+         * @type {?import('core').TokenObject}
+         */
         const token = {};
         const intervalCallback = async () => {
             this._timerId = null;