diff --git a/README.md b/README.md
index b1dfa86..765a04a 100644
--- a/README.md
+++ b/README.md
@@ -24,11 +24,11 @@ Create a read-only token in NetBox. Set variables required to access NetBox:
 
 Run one-off tasks with (add `--key-file` or other options as necessary):
 
-    ansible -i inventory.yml -m ping 'spine-*'
+    ansible -m ping 'spine-*'
 
 Run a playbook with:
 
-    ansible-playbook setup.yml -i inventory.yml -l 'spine-*'
+    ansible-playbook setup.yml -l 'spine-*'
 
 ## NetBox data
 
diff --git a/ansible.cfg b/ansible.cfg
index 7925ec3..aa4a4a6 100644
--- a/ansible.cfg
+++ b/ansible.cfg
@@ -1,5 +1,6 @@
 [defaults]
 nocows = true
+filter_plugins = filter_plugins
+inventory = inventory.yml
 remote_user = root
 vault_identity = network
-filter_plugins = filter_plugins