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-rw-r--r--application/config/config.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/application/config/config.php b/application/config/config.php
index 0608348c6..8d08a7401 100644
--- a/application/config/config.php
+++ b/application/config/config.php
@@ -282,7 +282,7 @@ $config['encryption_key'] = '';
| 'sess_driver' = the driver to load: cookie (Classic), native (PHP sessions),
| or your custom driver name
| 'sess_valid_drivers' = additional valid drivers which may be loaded
-| 'sess_cookie_name' = the name you want for the cookie
+| 'sess_cookie_name' = the name you want for the cookie, must contain only [0-9a-z_-] characters
| 'sess_expiration' = the number of SECONDS you want the session to last.
| by default sessions last 7200 seconds (two hours). Set to zero for no expiration.
| 'sess_expire_on_close' = Whether to cause the session to expire automatically