diff --git a/application/config/config.php.example b/application/config/config.php.example
index b9f40c9d81..b1d37bf378 100644
--- a/application/config/config.php.example
+++ b/application/config/config.php.example
@@ -133,7 +133,7 @@ $config['modules'] = array
          MODPATH.'sref_channel_islands',  // Jersey and Guernsey grid notations
          MODPATH.'sref_utm',              // UTM grid notation
          MODPATH.'demo',                  // Demo and test pages
-         MODPATH.'data_cleaner'           // automatic record checks
+         MODPATH.'data_cleaner',           // automatic record checks
          MODPATH.'cache_builder',         // build a cache for performance reporting
          MODPATH.'spatial_index_builder', // index of location occurrence overlaps
 //         ,MODPATH.'summary_builder'       // build a cache for improving the performance of reporting summary data