--- a/mobile/chrome/content/ContentPopupHelper.js
+++ b/mobile/chrome/content/ContentPopupHelper.js
@@ -88,20 +88,20 @@ var ContentPopupHelper = {
       event.initEvent("contentpopuphidden", true, false);
       this._popup.dispatchEvent(event);
     }
 
     this._popup = aPopup;
   },
 
   /**
-   * This method positioned an arrowbox on the screen using a 'virtual'
+   * This method positions an arrowbox on the screen using a 'virtual'
    * element as referrer that match the real content element
-   * This method called element.getBoundingClientRect() many times and can be
-   * expensive, do not called it too many times.
+   * This method calls element.getBoundingClientRect() many times and can be
+   * expensive, do not call it too many times.
    */
   anchorTo: function(aAnchorRect) {
     let popup = this._popup;
     if (!popup)
       return;
 
     // Use the old rect until we get a new one
     this._anchorRect = aAnchorRect ? aAnchorRect : this._anchorRect;