diff --git a/reference/curl/functions/curl-setopt.xml b/reference/curl/functions/curl-setopt.xml
index 8dec163bec..8904edb6da 100644
--- a/reference/curl/functions/curl-setopt.xml
+++ b/reference/curl/functions/curl-setopt.xml
@@ -82,6 +82,17 @@
            <entry valign="top">
            </entry>
           </row>
+          <row>
+           <entry valign="top"><constant>CURLOPT_CERTINFO</constant></entry>
+           <entry valign="top">
+            &true; to output SSL certification information to <literal>STDERR</literal>
+            on secure transfers.
+           </entry>
+           <entry valign="top">
+            Available since PHP 5.3.2. Requires <constant>CURLOPT_VERBOSE</constant> to be 
+            on to have an effect.
+           </entry>
+          </row>
           <row>
            <entry valign="top"><constant>CURLOPT_CRLF</constant></entry>
            <entry valign="top">