diff --git a/duckdns/config.json b/duckdns/config.json
index 7cdea4f..8471e33 100644
--- a/duckdns/config.json
+++ b/duckdns/config.json
@@ -13,7 +13,7 @@
   },
   "schema": {
     "token": "str",
-    "domain": ["str"],
+    "domains": ["str"],
     "seconds": "int"
   }
 }
diff --git a/letsencrypt/config.json b/letsencrypt/config.json
index f5545ba..c98fc83 100644
--- a/letsencrypt/config.json
+++ b/letsencrypt/config.json
@@ -19,7 +19,7 @@
   },
   "schema": {
     "email": "email",
-    "domain": ["str"],
+    "domains": ["str"],
     "certfile": "str",
     "keyfile": "str"
   }