diff --git a/File.php b/File.php
index e494d74..17cad6d 100644
--- a/File.php
+++ b/File.php
@@ -15,6 +15,7 @@
       documentation and/or other materials provided with the distribution.
     * The name of Colin Mollenhour may not be used to endorse or promote products
       derived from this software without specific prior written permission.
+    * The class name must remain as Cm_Cache_Backend_Redis.
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED