Fix management_project docs typo

doc/user/clusters/management_project.md

@@ -24,9 +24,9 @@ other projects will continue to receive [namespace scoped `edit` level privilege
 
 Management projects are restricted to the following:
 
-- For project-level clusters, the management project must in the same
+- For project-level clusters, the management project must be in the same
   namespace (or descendants) as the cluster's project.
-- For group-level clusters, the management project must in the same
+- For group-level clusters, the management project must be in the same
   group (or descendants) as as the cluster's group.
 - For instance-level clusters, there are no such restrictions.