diff --git a/README.md b/README.md
index 2bbb69f..25ef180 100644
--- a/README.md
+++ b/README.md
@@ -92,7 +92,7 @@ Steps to deploy a new Data Services API version :
      ```
    - Give permission to execute and select to the `dataservices_user` user:
      ```
-     psql -U postgres -d dataservices_db -c "BEGIN;CREATE EXTENSION IF NOT EXISTS observatoru; COMMIT" -e
+     psql -U postgres -d dataservices_db -c "BEGIN;CREATE EXTENSION IF NOT EXISTS observatory; COMMIT" -e
      psql -U postgres -d dataservices_db -c "BEGIN;GRANT SELECT ON ALL TABLES IN SCHEMA cdb_observatory TO dataservices_user; COMMIT" -e
      psql -U postgres -d dataservices_db -c "BEGIN;GRANT EXECUTE ON ALL FUNCTIONS IN SCHEMA cdb_observatory TO dataservices_user; COMMIT" -e
      psql -U postgres -d dataservices_db -c "BEGIN;GRANT SELECT ON ALL TABLES IN SCHEMA observatory TO dataservices_user; COMMIT" -e