diff --git a/tasks/install.yml b/tasks/install.yml
index fcd8655b2bab4bb41637ca38c90cc9fb70d634ba..12d20b3fdc2f1e37ea21e8d227c9bdb95e58cb8a 100644
--- a/tasks/install.yml
+++ b/tasks/install.yml
@@ -3,12 +3,12 @@
 
 - name: Apt Key
   apt_key:
-    url: http://keyserver.ubuntu.com/pks/lookup?op=get&search=0x8C47BE8E75BCA694
+    url: 'http://keyserver.ubuntu.com/pks/lookup?op=get&search=0x8C47BE8E75BCA694'
     state: present
 
 - name: Apt Repository
   apt_repository:
-    repo: ppa:certbot/certbot
+    repo: 'ppa:certbot/certbot'
     state: present
     mode: 0644