diff --git a/README.md b/README.md
index f7edab3..78a38c6 100644
--- a/README.md
+++ b/README.md
@@ -15,9 +15,9 @@ Role Variables
 - selfsignedcert_suffix_key (defaults): "key"
 - selfsignedcert_suffix_csr (defaults): "csr.pem"
 - selfsignedcert_suffix_crt (defaults): "crt.pem"
-- selfsignedcert_suffix_combined (defaults): "pem" - set to False to disable combined key/cert file
+- selfsignedcert_suffix_combined (defaults): "pem" - set to `false` to disable combined key/cert file
 - selfsignedcert_keysize: Default: 2048
-- selfsigned_cn: Common name of certificate, default: ansible_hostname
+- selfsigned_cn: Common name of certificate, default: `ansible_hostname`
 - selfsigned_san: List of SubjectAltNames, default: empty list
 
 Dependencies
@@ -31,7 +31,8 @@ Example Playbook
     - hosts: localhost
       roles:
          - role: selfsignedcert
-           selfsignedcert_basename: ./example-cert
+           vars:
+             selfsignedcert_basename: ./example-cert
 
 License
 -------
diff --git a/tasks/main.yml b/tasks/main.yml
index 29dda07..dacd6e0 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -36,4 +36,4 @@
     dest: '{{ selfsignedcert_basename }}.{{ selfsignedcert_suffix_combined }}'
     mode: '0600'
     backup: true
-  when: not selfsignedcert_suffix_combined
+  when: selfsignedcert_suffix_combined|default(false)