diff --git a/reference/strings/functions/substr-compare.xml b/reference/strings/functions/substr-compare.xml
index f15ff8e58a..37a2310d4e 100644
--- a/reference/strings/functions/substr-compare.xml
+++ b/reference/strings/functions/substr-compare.xml
@@ -135,6 +135,15 @@ echo substr_compare("abcde", "abc", 5, 1); // warning
   </para>
  </refsect1>
 
+ <refsect1 role="seealso">
+  &reftitle.seealso;
+  <para>
+   <simplelist>
+    <member><function>strncmp</function></member>
+   </simplelist>
+  </para>
+ </refsect1>
+
 </refentry>
 
 <!-- Keep this comment at the end of the file