updated README.md

sql/README.md

@@ -5,6 +5,6 @@ You might also be interested in `sqlcase.pl` in the [DevOps Perl tools](https://
 
 - `aws_athena_cloudtrail_ddl.sql` - [AWS Athena](https://aws.amazon.com/athena/) DDL to setup up integration to query [CloudTrail](https://aws.amazon.com/cloudtrail/) logs from Athena
 - `bigquery_billing_*.sql` - [Google BigQuery](https://cloud.google.com/bigquery) billing queries
-- `postgres_*.sql` - [PostgreSQL](https://www.postgresql.org/) queries for DBA investigating + performance tuning.
+- `postgres_*.sql` - [PostgreSQL](https://www.postgresql.org/) queries for DBA investigating + performance tuning
 
 You can quickly test these PostgreSQL scripts using `postgres.sh` which boots a docker container and drops in to `psql` shell with this directory mounted at `/sql` for easy sourcing eg. `\i /sql/postgres_query_times.sql`