Fix #3991
diff --git a/application/config/config.php b/application/config/config.php
index f4ba70a..a4d883f 100644
--- a/application/config/config.php
+++ b/application/config/config.php
@@ -480,6 +480,8 @@
 | can rewrite the tags on-the-fly, enabling you to utilize that syntax
 | in your view files.  Options are TRUE or FALSE (boolean)
 |
+| Note: You need to have eval() enabled for this to work.
+|
 */
 $config['rewrite_short_tags'] = FALSE;