Fix docs typo

docs/maintenance-postgres.md

@@ -111,7 +111,7 @@ You can manually influence some of the tuning variables . These parameters (vari
 
 Most users should be fine with the automatically-done tuning. However, you may wish to:
 
-- **adjust the automatically-deterimned tuning parameters manually**: change the values for the tuning variables defined in the Postgres role's [default configuration file](https://github.com/devture/com.devture.ansible.role.postgres/blob/main/defaults/main.yml) (see `devture_postgres_max_connections`, `devture_postgres_data_storage` etc). These variables are ultimately passed to Postgres via a `devture_postgres_postgres_process_extra_arguments_auto` variable
+- **adjust the automatically-determined tuning parameters manually**: change the values for the tuning variables defined in the Postgres role's [default configuration file](https://github.com/devture/com.devture.ansible.role.postgres/blob/main/defaults/main.yml) (see `devture_postgres_max_connections`, `devture_postgres_data_storage` etc). These variables are ultimately passed to Postgres via a `devture_postgres_postgres_process_extra_arguments_auto` variable
 
 - **turn automatically-performed tuning off**: override it like this: `devture_postgres_postgres_process_extra_arguments_auto: []`