diff --git a/reference/strings/functions/word-count.xml b/reference/strings/functions/str-word-count.xml
similarity index 93%
rename from reference/strings/functions/word-count.xml
rename to reference/strings/functions/str-word-count.xml
index 88c1347202..c5c4435cfb 100644
--- a/reference/strings/functions/word-count.xml
+++ b/reference/strings/functions/str-word-count.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
 <!-- $Revision: 1.1 $ -->
-  <refentry id="function.word-count">
+  <refentry id="function.str-word-count">
    <refnamediv>
-    <refname>word_count</refname>
+    <refname>str_word_count</refname>
     <refpurpose>
      Return information about words used in a string
     </refpurpose>
@@ -10,7 +10,7 @@
    <refsect1>
     <title>Description</title>
      <methodsynopsis>
-      <type>mixed</type><methodname>word_count</methodname>
+      <type>mixed</type><methodname>str_word_count</methodname>
       <methodparam><type>string</type><parameter>string</parameter></methodparam>
       <methodparam choice="opt"><type>int</type><parameter>format</parameter></methodparam>
      </methodsynopsis>