Fix ansible README (#5135)

diff --git a/ansible/README.md b/ansible/README.md
index 692b01d..ef458ae 100644
--- a/ansible/README.md
+++ b/ansible/README.md
@@ -155,7 +155,7 @@
 cd <openwhisk_home>
 ./gradlew distDocker
 cd ansible
-ansible-playbook -i couchdb.yml
+ansible-playbook -i environments/$ENVIRONMENT couchdb.yml
 ansible-playbook -i environments/$ENVIRONMENT initdb.yml
 ansible-playbook -i environments/$ENVIRONMENT wipe.yml
 ansible-playbook -i environments/$ENVIRONMENT openwhisk.yml