Fix a couple of typos in comments. No bug, no review.

browser/components/search/content/search.xml

@@ -94,7 +94,7 @@
           os.removeObserver(this, "browser-search-engine-modified");
         }
 
-        // Make sure to break the cycle from _texbox to us. Otherwise we leak
+        // Make sure to break the cycle from _textbox to us. Otherwise we leak
         // the world. But make sure it's actually pointing to us.
         if (this._textbox.mController.input == this)
           this._textbox.mController.input = null;

xpcom/glue/nsTArray.h

@@ -851,7 +851,7 @@ public:
     return InsertElementAt(index, item);
   }
 
-  // A variation on the InsertElementSorted metod defined above.
+  // A variation on the InsertElementSorted method defined above.
   template<class Item>
   elem_type *InsertElementSorted(const Item& item) {
     return InsertElementSorted(item, nsDefaultComparator<elem_type, Item>());