diff --git a/ramls/examples/external_patron_collection.json b/ramls/examples/external_patron_collection.json
index c7a969a..dde4bf1 100644
--- a/ramls/examples/external_patron_collection.json
+++ b/ramls/examples/external_patron_collection.json
@@ -43,7 +43,7 @@
         "mobilePhone": "123-456-7890",
         "email": "jane.smith@example.com"
       },
-      "preferredEmailCommunication": ["Programs", "Service"]
+      "preferredEmailCommunication": ["Programs", "Services"]
     }
   ],
   "totalRecords": 2
diff --git a/ramls/external_patron.json b/ramls/external_patron.json
index 939266a..a5bd8d1 100644
--- a/ramls/external_patron.json
+++ b/ramls/external_patron.json
@@ -90,7 +90,7 @@
       "description": "Email communication info of external patron",
       "items": {
         "type": "string",
-        "enum": ["Support", "Programs", "Service"]
+        "enum": ["Support", "Programs", "Services"]
       },
       "maxItems": 3,
       "uniqueItems": true