Update modules/administration-guide/pages/installing-che-on-openshift-with-keycloak-as-oidc.adoc

Co-authored-by: Gaurav Trivedi <90042568+gtrivedi88@users.noreply.github.com>

Author: tolusha

modules/administration-guide/pages/installing-che-on-openshift-with-keycloak-as-oidc.adoc

@@ -187,7 +187,8 @@ echo "$({orch-cli} get checluster {prod-checluster} -n {prod-namespace} -o jsonp
 ----
 +
 --
-.. Open the {keycloak} Admin Console.
+... In the *Valid redirect URIs* field, enter the URL above with `/oauth/callback` appended.
+... In the *Web origins* field, enter the URL above.
 .. Within the realm used for OpenShift authentication, click the `{prod-id}` client.
 ... In the *Valid redirect URIs* field, entry the URL above with `/oauth/callback` appended
 ... In the *Web origins* field, entry the URL above.