diff --git a/docs/manual/mod/mod_rewrite.html.en b/docs/manual/mod/mod_rewrite.html.en
index b67cfa8c23..89ec3a6970 100644
--- a/docs/manual/mod/mod_rewrite.html.en
+++ b/docs/manual/mod/mod_rewrite.html.en
@@ -804,9 +804,9 @@ Apache HTTP Server 2.0.41 and later</td></tr>
         utility.  (<a href="../rewrite/rewritemap.html#dbm">Details ...</a>)</dd>
 
     <dt>int</dt>
-        <dd>One of the four available internal functions provided by
-        <code>RewriteMap</code>: toupper, tolower, escape or
-        unescape. (<a href="../rewrite/rewritemap.html#int">Details ...</a>)</dd>
+        <dd>One of the five available internal functions provided by
+        <code>RewriteMap</code>: toupper, tolower, escape, unescape, or sleep. 
+        (<a href="../rewrite/rewritemap.html#int">Details ...</a>)</dd>
 
     <dt>prg</dt>
         <dd>Calls an external program or script to process the
@@ -1033,7 +1033,9 @@ cannot use <code>$N</code> in the substitution string!
         <dd>A dash indicates that no substitution should be performed
         (the existing path is passed through untouched). This is used
         when a flag (see below) needs to be applied without changing
-        the path.</dd>
+        the path.  In Apache HTTP Server 2.5.0 and later, a substitution
+        that ultimately expands to this single character is also treated as
+        "no substitution".</dd>
 
       </dl>
 
diff --git a/docs/manual/rewrite/rewritemap.html.en b/docs/manual/rewrite/rewritemap.html.en
index 9442c982fc..79ec1124ee 100644
--- a/docs/manual/rewrite/rewritemap.html.en
+++ b/docs/manual/rewrite/rewritemap.html.en
@@ -316,6 +316,11 @@ by many requests.
       <li><strong>unescape</strong>:<br />
              Translates hex-encodings in the key back to
             special characters.</li>
+      <li><strong>sleep</strong>:<br />
+             Causes the request to sleep for the amount of time specified in
+            the key, in milliseconds.  Keys are accepted in the form of 
+            "2000", "2000ms", or "2s".  This map always returns an empty value.
+            <p> Available since Apache HTTP Server 2.5.0</p> </li>
     </ul>
 
     <p>
@@ -327,6 +332,12 @@ by many requests.
     RewriteMap lc int:tolower<br />
     RewriteRule (.*?[A-Z]+.*) ${lc:$1} [R]
     </code></p></div>
+    
+    <div class="example"><h3>Delay a request by one half of a second</h3><p><code>
+    RewriteMap sleep int:sleep<br />
+    RewriteRule ^/foo/bar.html -${sleep:"500ms"} 
+    </code></p></div>
+
 
     <div class="note">
     <p>Please note that the example offered here is for