update (github#532)

timescaledb/how-to-guides/psql-basics.md

@@ -9,19 +9,19 @@ For an in-depth breakdown of all commands, visit [psql's documentation](https://
 
 ## Connections
 
-* Connect to a PostgreSQL/TimescaleDB server via psql (using parameter flags):
+Connect to a PostgreSQL/TimescaleDB server via psql (using parameter flags):
 
 ```bash
 psql -h host_name -p port -U username -W -d database_name
 ```
 
-* Connect to a PostgreSQL/TimescaleDB server via psql (using a service URL):
+Connect to a PostgreSQL/TimescaleDB server via psql (using a service URL):
 
 ```bash
 psql "your_service_URL"
 ```
 
-* Show your psql version
+Show your psql version
 ```bash
 psql --version
 ```
@@ -98,7 +98,7 @@ The commands in this section can be used to import and export CSV files from you
 
 <tab label="Export">
 
-```
+```sql
 \copy (SELECT * FROM table_name) TO 'output_file.csv' WITH CSV HEADER
 
 ```
@@ -116,36 +116,36 @@ The commands in this section use the `pg_dump` and `pg_dumpall` tools.
 Create a backup for a specific database in plan-text SQL script file
    (with default backup options)
 
-```sql
+```bash
 pg_dump database_name > database_name.bak.sql
 ```
 
 Creates a backup for a specific database in plan-text SQL script file (with customized backup options)
 
-```
+```bash
 pg_dump -c -C -F p -f database_name.bak.sql database_name
 ```
 
 Run pg_dump on a client computer to back up data on a remote Postgres server
 
-```
+```bash
 pg_dump -h remote_host -p port -U user -f database_name.bak mydb
 ```
 
 Backup all databases along with database roles and cluster-wide information
 
-```
+```bash
 pg_dumpall > alldb.bak.sql
 ```
 
 Restore the database plain-text backup generated by pg_dump or pg_dumpall
 
-```
+```bash
 psql -U username -f filename.sql
 ```
 
 Restore the database custom-archive backup (.bak)
 
-```
+```bash
 pg_restore -d database_name /path/to/your/file/database_name.bak -c -U database_user
 ```