fixed typo
diff --git a/setup-ec2.yml b/setup-ec2.yml
index 9622765..a0b00df 100644
--- a/setup-ec2.yml
+++ b/setup-ec2.yml
@@ -10,7 +10,7 @@
       name: '{{ item }}'
       state: present
     with_items:
-    - elasticache-auto-discovery
+    - elasticache-auto-discover
     when: ansible_os_family | lower == 'redhat'