Update readme, make it easier to copy commands

Author: bserem

README.md

@@ -68,7 +68,7 @@ See [the documentation in the `doc` folder](doc/README.md)
 
 This originates from the classic Drupal `solr:8` image recipe used for a long time by Drupal users and compatible with `search_api_solr`.
 
-* It installs a [`.ddev/docker-compose.solr.yaml`](docker-compose.solr.yaml) using the `solr:8` docker image.
+* It installs a [`.ddev/docker-compose.solr.yaml`](docker-compose.solr.yaml) using the `solr:9` docker image.
 * A standard Drupal 9+ Solr configuration is included in [.ddev/solr/conf](solr/conf).
 * A [.ddev/docker-entrypoint-initdb.d/solr-configupdate.sh](solr/docker-entrypoint-initdb.d/solr-configupdate.sh) is included and mounted into the Solr container so that you can change Solr config in `.ddev/solr/conf` with just a `ddev restart`.