diff --git a/src/main/cljc/dda/c4k_keycloak/core.cljc b/src/main/cljc/dda/c4k_keycloak/core.cljc
index 06c7566..ce6cc8f 100644
--- a/src/main/cljc/dda/c4k_keycloak/core.cljc
+++ b/src/main/cljc/dda/c4k_keycloak/core.cljc
@@ -14,19 +14,16 @@
 
 (def config-defaults {:issuer "staging"})
 
-(s/def ::mon-cfg mon/config?)
-(s/def ::mon-auth mon/auth?)
-
-(def config? (s/keys :req-un [::kc/fqdn]
-                     :opt-un [::kc/issuer
-                              ::mon-cfg]))
+(s/def ::config (s/keys :req-un [::kc/fqdn]
+                        :opt-un [::kc/issuer
+                                 ::mon/config]))
 
 (def auth? (s/keys :req-un [::kc/keycloak-admin-user ::kc/keycloak-admin-password
                             ::postgres/postgres-db-user ::postgres/postgres-db-password]
-                   :opt-un [::mon-auth]))
+                   :opt-un [::mon/auth]))
 
 (defn-spec k8s-objects cp/map-or-seq?
-  [config config?
+  [config ::config
    auth auth?]
   (map yaml/to-string
        (filter
diff --git a/src/test/cljc/dda/c4k_keycloak/core_test.cljc b/src/test/cljc/dda/c4k_keycloak/core_test.cljc
index 9110e5f..fdc25c6 100644
--- a/src/test/cljc/dda/c4k_keycloak/core_test.cljc
+++ b/src/test/cljc/dda/c4k_keycloak/core_test.cljc
@@ -16,5 +16,5 @@
 
 ;; TODO: 2023.01.27 - jem: may not validate k3s-cluster-name entries ... find out what's wrong.
 (deftest validate-valid-resources
-  (is (s/valid? cut/config? (yaml/load-as-edn "keycloak-test/valid-config.yaml")))
+  (is (s/valid? ::cut/config (yaml/load-as-edn "keycloak-test/valid-config.yaml")))
   (is (s/valid? cut/auth? (yaml/load-as-edn "keycloak-test/valid-auth.yaml"))))
\ No newline at end of file
diff --git a/src/test/resources/keycloak-test/valid-config.yaml b/src/test/resources/keycloak-test/valid-config.yaml
index 4aa1c76..d995606 100644
--- a/src/test/resources/keycloak-test/valid-config.yaml
+++ b/src/test/resources/keycloak-test/valid-config.yaml
@@ -3,4 +3,4 @@ issuer: "staging"
 mon-cfg:
   grafana-cloud-url: "url-for-your-prom-remote-write-endpoint"
   cluster-name: "keycloak"
-  cluster-stage: "test"
\ No newline at end of file
+  cluster-stage: :test
\ No newline at end of file