--- a/browser/base/content/newtab/page.js
+++ b/browser/base/content/newtab/page.js
@@ -162,17 +162,17 @@ var gPage = {
 
   /**
    * Handles unload event
    */
   _handleUnloadEvent: function Page_handleUnloadEvent() {
     gAllPages.unregister(this);
     // compute page life-span and send telemetry probe: using milli-seconds will leave
     // many low buckets empty. Instead we use half-second precision to make low end
-    // of histogram linear and not loose the change in user attention
+    // of histogram linear and not lose the change in user attention
     let delta = Math.round((Date.now() - this._firstVisibleTime) / 500);
     if (this._suggestedTilePresent) {
       Services.telemetry.getHistogramById("NEWTAB_PAGE_LIFE_SPAN_SUGGESTED").add(delta);
     }
     else {
       Services.telemetry.getHistogramById("NEWTAB_PAGE_LIFE_SPAN").add(delta);
     }
   },