diff --git a/reference/strings/functions/crc32.xml b/reference/strings/functions/crc32.xml
index 08651e0521..9fc272eb5d 100644
--- a/reference/strings/functions/crc32.xml
+++ b/reference/strings/functions/crc32.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
 <!-- splitted from ./en/functions/strings.xml, last change in rev 1.37 -->
   <refentry id="function.crc32">
    <refnamediv>
@@ -41,7 +41,7 @@ printf("%u\n", $checksum);
      </example>
     </para>
     <para>
-     See also <function>md5</function>
+     See also <function>md5</function> and <function>sha1</function>.
     </para>
    </refsect1>
   </refentry>