Fix yum example

rst/modules.rst

@@ -542,9 +542,9 @@ Will install, upgrade, remove, and list packages with the yum package manager.
 
 Example action from Ansible :doc:`playbooks`::
 
-    yum pkg=httpd ensure=latest
-    yum pkg=httpd ensure=removed
-    yum pkg=httpd ensure=installed
+    yum pkg=httpd state=latest
+    yum pkg=httpd state=removed
+    yum pkg=httpd state=installed
 
 
 Writing your own modules