Update docs/updating-users-passwords.md: fix SQL command

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

docs/updating-users-passwords.md

@@ -24,7 +24,7 @@ docker exec -it matrix-synapse /usr/local/bin/hash_password -c /data/homeserver.
 and then connecting to the postgres server and executing:
 
 ```sql
-UPDATE users SET password_hash = '<password-hash>' WHERE name = '@someone:example.com'
+UPDATE users SET password_hash = '<password-hash>' WHERE name = '@someone:example.com';
 ```
 
 where `<password-hash>` is the hash returned by the docker command above.