PG-1280 Adeed some clearance to Docker steps

documentation/docs/install.md

@@ -64,21 +64,23 @@ Install `pg_tde` using one of available installation methods:
 
     !!! note
 
-        The steps below are for the `pg_tde` community version. 
+        The steps below are for the PostgreSQL Community version of `pg_tde`. It provides the `tde_heap_basic` access method for data encryption. 
 
-        To run `pg_tde` version for Percona Server for PostgreSQL, [use the Percona Distribution for PostgreSQL Docker image :octicons-link-external-16:](https://docs.percona.com/postgresql/17/docker.html). 
+        To run the `pg_tde` version for Percona Server for PostgreSQL, [use the Percona Distribution for PostgreSQL Docker image :octicons-link-external-16:](https://docs.percona.com/postgresql/17/docker.html). 
 
-    You can find Docker images built from the current main branch on [Docker Hub](https://hub.docker.com/r/perconalab/pg_tde). Images are built on top of [postgres:16](https://hub.docker.com/_/postgres) official image.     
+    You can find Docker images on [Docker Hub](https://hub.docker.com/r/perconalab/pg_tde). Images are built on top of [postgres:16](https://hub.docker.com/_/postgres) official image.     
 
     To run `pg_tde` in Docker, use the following command:    
 
     ```
     docker run --name pg-tde -e POSTGRES_PASSWORD=mysecretpassword -d perconalab/pg_tde
     ```    
 
-    It builds and adds `pg_tde` extension to PostgreSQL 16. The `postgresql.conf` contains the required modifications. The `pg_tde` extension is added to `template1` so that all new databases automatically have the `pg_tde` extension loaded. 
+    It builds and adds the `pg_tde` extension to PostgreSQL 16. The `postgresql.conf` contains the required modifications. The `pg_tde` extension is added to `template1` so that all new databases automatically have the `pg_tde` extension loaded. 
 
-    Keys are not created automatically. You must configure a key provider and a principal key for each database  where you wish to use encrypted tables. See the instructions in the [Setup](setup.md) section, starting with the 4th point, as the first 3 steps are already completed in the Docker image.
+    Keys are not created automatically. You must configure a key provider and a principal key for each database  where you wish to use encrypted tables. 
+
+    Connect to the container and establish the `psql` session there. Then, see the instructions in the [Setup](setup.md) section, starting with the 4th point, as the first 3 steps are already completed in the Docker image.
 
     See [Docker Docs](https://hub.docker.com/_/postgres) on usage.