Rename the 'interbase' DB driver to 'ibase' in order to match PHP's function prefix
diff --git a/application/config/database.php b/application/config/database.php
index cb6ebad..bb0d87b 100644
--- a/application/config/database.php
+++ b/application/config/database.php
@@ -42,8 +42,9 @@
 |	['username'] The username used to connect to the database
 |	['password'] The password used to connect to the database
 |	['database'] The name of the database you want to connect to
-|	['dbdriver'] The database type. e.g.: mysql.  Currently supported:
-|				 cubrid, interbase, mssql, mysql, mysqli, oci8,
+|	['dbdriver'] The database driver. e.g.: mysqli.
+			Currently supported:
+|				 cubrid, ibase, mssql, mysql, mysqli, oci8,
 |				 odbc, pdo, postgre, sqlite, sqlite3, sqlsrv
 |	['dbprefix'] You can add an optional prefix, which will be added
 |				 to the table name when using the  Query Builder class