GH#43284: Typo fix

Fixes small typo as reported in #43284

Author: bobfuru

modules/rosa-policy-shared-responsibility.adoc

@@ -110,7 +110,7 @@ The Identity and Access Management matrix includes responsibilities for managing
 |Application networking
 |Provide native OpenShift RBAC and `dedicated-admin` capabilities.
 |- Configure OpenShift `dedicated-admin` and RBAC to control access to route configuration as required.
-- Manage organization administrators for Red Hat to grant access to {cluster-manager}. The cluster maanger is used to configure router options and provide service load balancer quota.
+- Manage organization administrators for Red Hat to grant access to {cluster-manager}. The cluster manager is used to configure router options and provide service load balancer quota.
 
 |Cluster networking
 |- Provide customer access controls through {cluster-manager}.