Add link to gpg public key text file

html/software/download/index.wml

@@ -60,9 +60,16 @@ obtained directly from our
 </a> or a mirror.
 </dl>
 
+<dl>
+<dt>GPG Signature
+<dd>We encourage you to verify the integrity of the downloaded file using
+<a href="OpenLDAP/gpg-pubkey.txt">the GPG code signing key</a> in combination
+with the ASC file.
+</dl>
+
 <p>
-Please select the appropriate mirror when downloading.
-Note: New releases may not yet be available on all mirrors.
+Please select the appropriate mirror when downloading.<p>
+<b>Note:</b> New releases may not yet be available on all mirrors.
 <blockquote>
 <table border=1 cellpadding=5>
 <tr bgcolor=#e0e0e0>