diff --git a/readme.md b/readme.md
index 85b9aad..589f1cb 100644
--- a/readme.md
+++ b/readme.md
@@ -20,7 +20,7 @@ the library.db has had the following trigger added :
 ```
 CREATE TRIGGER CONTENT_ID_MEMES AFTER INSERT ON LibraryTable
 BEGIN
-UPDATE LibraryTable SET content_id="UM0105-" || title_id || "-0000000000000000" WHERE title_id = new.title_id;
+UPDATE LibraryTable SET content_id="UM0105-" || title_id || "_00-0000000000000000" WHERE title_id = new.title_id;
 END;
 ```