paraphrase rfcs/code better

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1836059 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/docs/manual/caching.xml b/docs/manual/caching.xml
index 7be4fa40fc3bef14377ce770c43c11a5a3ba3065..6fa66aa2a9a7c8f1a931d5d04ee20edc268c697d 100644 (file)
--- a/docs/manual/caching.xml
+++ b/docs/manual/caching.xml
@@ -333,8 +333,9 @@
         module="mod_cache">CacheEnable</directive> and <directive
         module="mod_cache">CacheDisable</directive> directives.</li>
 
-        <li>The response must have a HTTP status code of 200, 203, 300, 301 or
-        410.</li>
+        <li>If the response has an HTTP status code other than 200, 203, 300, 
+        301 or 410 it must also specify "Expires" or "Cache-Control" header.
+        </li>
 
         <li>The request must be a HTTP GET request.</li>