test: Tweak README

test/README.md

@@ -20,6 +20,8 @@ repository.
 
 Also, if you use `podman` instead of `docker`, make sure you have `podman-docker` package installed (tests are using `docker`).
 
+If you don't want to use quay.io, just set `IMG` and `HTTPD_IMG` variables to docker, local repository or some other service.
+
 ### httpd_mod_cluster
 
 There are two types of images we use in tests. The first one is the httpd image with mod_proxy_cluster. Its Dockerfile can
@@ -49,9 +51,9 @@ Do not forget to log into quay.io before you run those commands. You can log in
 
 #### Running the image
 ```
-docker run --network=host -e tomcat_port=[port1] -e cluster_port=[port3] [image]
+docker run --network=host -e tomcat_port=[port] -e cluster_port=[port] [image]
 Or
-docker run --network=host -e tomcat_ajp_port=[port1] -e cluster_port=[port3] [image]
+docker run --network=host -e tomcat_ajp_port=[port] -e cluster_port=[port] [image]
 # You can also add the variable -e tomcat_shutdown_port=true if u want to have a shutdown port
 ```