Renaming "config_sample.php" to "config_default.php".

plugins/mail_fetch/README

@@ -91,7 +91,7 @@ Go back to the main directory, run configure and add the plugin.
 Some plugin settings can be adjusted in config/mail_fetch_config.php or
 plugins/mail_fetch/config.php files. 
 
-See plugins/mail_fetch/config_sample.php
+See plugins/mail_fetch/config_default.php
 
 
 Note for mod_gzip users

plugins/mail_fetch/config_sample.php → plugins/mail_fetch/config_default.php

@@ -11,7 +11,9 @@
  */
 
 /**
- * Controls use of unsubscribed folders in plugin
+ * Controls use of unsubscribed folders in plugin. Change this to true if it is
+ * allowed to store fetched messages in unsubscribed folders.
  */
 $mail_fetch_allow_unsubscribed = false;
+
 ?>