--- docs/manual/mod/mod_cache.xml	(revision 1582276)
+++ docs/manual/mod/mod_cache.xml	(working copy)
@@ -469,10 +469,10 @@ 
 </contextlist>
 
 <usage>
-    <p>The <directive>CacheMaxExpire</directive> directive specifies the maximum number of
-    seconds for which cachable HTTP documents will be retained without checking the origin
-    server. Thus, documents will be out of date at most this number of seconds. This maximum
-    value is enforced even if an expiry date was supplied with the document.</p>
+    <p>The <directive>CacheMaxExpire</directive> directive specifies a maximum on the number
+    of seconds for which cachable HTTP documents will be retained without checking the origin
+    server. This maximum time is only used if a last-modified date is specified and no expiry
+    date is provided with the document, such as an Expires or a max-age header.</p>
 
     <highlight language="config">
       CacheMaxExpire 604800
@@ -492,11 +492,11 @@ 
 </contextlist>
 
 <usage>
-    <p>The <directive>CacheMinExpire</directive> directive specifies the minimum number of
+    <p>The <directive>CacheMinExpire</directive> directive specifies a minimum number of
     seconds for which cachable HTTP documents will be retained without checking the origin
-    server. This is only used if no valid expire time was supplied with the document.</p>
+    server. This minimum time is only used if a last-modified date is specified and no expiry
+    date is provided with the document, such as an Expires or a max-age header.</p>
 
-
     <highlight language="config">
       CacheMinExpire 3600
     </highlight>