added char_set and dbcollat to the code comments
diff --git a/system/application/config/database.php b/system/application/config/database.php
index 1ee0c4b..59b9739 100644
--- a/system/application/config/database.php
+++ b/system/application/config/database.php
@@ -25,6 +25,8 @@
 |	['active_r'] TRUE/FALSE - Whether to load the active record class

 |	['cache_on'] TRUE/FALSE - Enables/disables query caching

 |	['cachedir'] The path to the folder where cache files should be stored

+|	['char_set'] The character set used in communicating with the database

+|	['dbcollat'] The character collation used in communicating with the database

 |

 | The $active_group variable lets you choose which connection group to

 | make active.  By default there is only one group (the "default" group).