diff --git a/lib/ansible/modules/network/ios/ios_system.py b/lib/ansible/modules/network/ios/ios_system.py
index 7b59e14859e..75c3994f0e0 100644
--- a/lib/ansible/modules/network/ios/ios_system.py
+++ b/lib/ansible/modules/network/ios/ios_system.py
@@ -86,7 +86,7 @@ EXAMPLES = """
   ios_system:
     hostname: ios01
     domain_name: test.example.com
-    domain-search:
+    domain_search:
       - ansible.com
       - redhat.com
       - cisco.com