Improve ErrorLogFormat's %{cuz}t and %{%-format}t descriptions.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1921399 13f79535-47bb-0310-9956-ffa450edef68

Author: ylavic

docs/manual/mod/core.xml

@@ -1765,11 +1765,11 @@ ErrorLogFormat "[%t] [%l] [pid %P] %F: %E: [client %a] %M"
     <tr><td><code>%{cuz}t</code></td>
         <td>The current time in ISO 8601 extended format (compact), including
             micro-seconds and time zone in the ISO 8601:2000 standard format.
-            Since 2.4.58 only</td></tr>
+            Available since 2.4.58 only</td></tr>
 
-    <tr><td><code>%{&lt;%-format&gt;}t</code></td>
-        <td>The current time formatted per the <code>strftime(3)</code>
-            function. Since 2.4.58 only</td></tr>
+    <tr><td><code>%{%-format}t</code></td>
+	<td>The current time formatted per the <code>strftime(3)</code> function.
+	    Available since 2.4.58 only</td></tr>
 
     <tr><td><code>%v</code></td>
         <td>The canonical <directive module="core">ServerName</directive>