Adjustments

Author: bcb

docs/extensions.md

@@ -16,10 +16,9 @@ git clone https://github.com/michelp/pgjwt postgres/pgjwt
 
 ### 2. Modify the Postgres Dockerfile
 
-Edit `postgres/Dockerfile` to install build tools and compile the
-extension:
+Edit the Postgres Dockerfile to install build tools and compile the extension:
 
-```
+```dockerfile title="postgres/Dockerfile"
 RUN apt-get update && apt-get install -y \
     build-essential \
     postgresql-server-dev-17

docs/psql.md

@@ -29,7 +29,7 @@ app=#
 
 You can also run SQL directly without opening an interactive shell:
 
-```
+```sh
 bin/postgres -c 'select * from movie;'
 ```
 
@@ -72,7 +72,7 @@ set editing-mode vi
 Add to your `compose.override.yaml` (this file is for development-only
 overriding of `compose.yaml`):
 
-```yaml
+```yaml title="compose.override.yaml"
 services:
   postgres:
     volumes: