synch with 2.4.x doc which is clearer (for the [ms] syntax at least)
@@ -2638,7 +2638,7 @@ the server configuration files</description>
<name>KeepAliveTimeout</name>
<description>Amount of time the server will wait for subsequent
requests on a persistent connection</description>
-<syntax>KeepAliveTimeout <var>time-interval</var>[s]</syntax>
+<syntax>KeepAliveTimeout <var>num</var>[ms]</syntax>
<default>KeepAliveTimeout 5</default>
<contextlist><context>server config</context><context>virtual host</context>
</contextlist>
