Changed TRUE and FALSE values to be uppercase
diff --git a/system/libraries/Migration.php b/system/libraries/Migration.php
index c786703..5d637d4 100644
--- a/system/libraries/Migration.php
+++ b/system/libraries/Migration.php
@@ -285,7 +285,7 @@
 		if ( ! $migrations = $this->find_migrations())
 		{
 			$this->_error_string = $this->lang->line('migration_none_found');
-			return false;
+			return FALSE;
 		}
 
 		$last_migration = basename(end($migrations));