'flags' are optional in SSLCARevocationCheck. Update the syntax accordingly.
@@ -1258,7 +1258,7 @@ SSLCARevocationFile "/usr/local/apache2/conf/ssl.crl/ca-bundle-client.crl"
<directivesynopsis>
<name>SSLCARevocationCheck</name>
<description>Enable CRL-based revocation checking</description>
-<syntax>SSLCARevocationCheck chain|leaf|none <em>flag</em>s</syntax>
+<syntax>SSLCARevocationCheck chain|leaf|none [<em>flag</em>s ...]</syntax>
<default>SSLCARevocationCheck none</default>
<contextlist><context>server config</context>
<context>virtual host</context></contextlist>
