Refine README instructions
@@ -35,10 +35,10 @@ Additional implementations:
For detailed instructions, consult the READMEs of the projects.
-To build a subset of the projects, use Maven profiles, e.g. to build the PostgreSQL implementation, run:
+To build a subset of the projects, e.g. to build the PostgreSQL implementation, run its individual build script:
```bash
-mvn clean package -DskipTests -Ppostgres
+postgres/scripts/build.sh
```
## User's guide
