Index: reference/array/functions/usort.xml
===================================================================
--- reference/array/functions/usort.xml	(revision 323041)
+++ reference/array/functions/usort.xml	(working copy)
@@ -19,7 +19,7 @@
   </para>
   <note>
    <para>
-    If two members compare as equal, their order in the sorted array is undefined.
+    If two members compare as equal, their relative order in the sorted array is undefined.
    </para>
   </note>
   &note.no-key-association;