diff --git a/includes/common.inc b/includes/common.inc
index b6e2fc9..ffdabc4 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -6576,7 +6576,7 @@ function element_children(&$elements, $sort = FALSE) {
       else {
         $weight = 0;
       }
-      // Supports weight with up to three digit precision and conserve the
+      // Support weights with up to three digit precision and conserve the
       // insertion order.
       $child_weights[$key] = floor($weight * 1000) + $i / $count;
     }
diff --git a/modules/simpletest/tests/common.test b/modules/simpletest/tests/common.test
index ba6253f..1d88220 100644
--- a/modules/simpletest/tests/common.test
+++ b/modules/simpletest/tests/common.test
@@ -1999,7 +1999,7 @@ class DrupalRenderTestCase extends DrupalWebTestCase {
     );
 
     $expected = array('child3', 'child1', 'child2', 'child5', 'child4');
-    $this->assertEqual($expected, element_children($element_mixed_weight, TRUE), 'Orders of Elemenets with same weights are kept.');
+    $this->assertEqual($expected, element_children($element_mixed_weight, TRUE), 'Order of elements with the same weight is preserved.');
   }
 
   /**