Fix user guide url

Replace from
https://codeigniter.com/user_guide/*
to
https://codeigniter.com/userguide3/*

1 files changed, 1 insertions, 1 deletions

diff --git a/index.php b/index.php
index e7aab3b03..8b095a77a 100755
--- a/index.php
+++ b/index.php
@@ -103,7 +103,7 @@ switch (ENVIRONMENT)
  * use an absolute (full) server path.
  * For more info please see the user guide:
  *
- * https://codeigniter.com/user_guide/general/managing_apps.html
+ * https://codeigniter.com/userguide3/general/managing_apps.html
  *
  * NO TRAILING SLASH!
  */