diff --git a/README.md b/README.md
index 2a9065ccfb9e83c5dc261dd3b238e50e177dcb67..a527878ac6201a8b7ea0d868fb4eedbc59885dc9 100644
--- a/README.md
+++ b/README.md
@@ -61,7 +61,7 @@ flask run --reload
 
 If you create or update messages in the `python`/`html` source files, don't forget to update the messages catalogs:
 ```sh
-pybabel extract -F babel.cfg -o messages.pot Hiboo
+pybabel extract -F babel.cfg -o messages.pot hiboo/
 pybabel update -i messages.pot -d hiboo/translations/
 ```