Add a compatibility note

[skip ci]

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1906520 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/docs/manual/mod/mod_proxy_hcheck.xml b/docs/manual/mod/mod_proxy_hcheck.xml
index a3ff23cc3c75b504fff19aa9ebff83ce4c6003db..c80bf996380856adfa22713f933746e08179da33 100644 (file)
--- a/docs/manual/mod/mod_proxy_hcheck.xml
+++ b/docs/manual/mod/mod_proxy_hcheck.xml
@@ -99,6 +99,11 @@
     </table>
 </note>
 
+<note><title>Compatibility:</title>
+    <p><code>OPTIONS11</code>, <code>HEAD11</code> and <code>GET11</code> are
+       available in 2.4.55 and above.</p>
+</note>
+
 </summary>
 <seealso><module>mod_proxy</module></seealso>