diff --git a/definitions/3.0.0/server.json b/definitions/3.0.0/server.json
index 934a7b5d..17540811 100644
--- a/definitions/3.0.0/server.json
+++ b/definitions/3.0.0/server.json
@@ -2,7 +2,7 @@
   "type": "object",
   "description": "An object representing a Server.",
   "required": [
-    "url",
+    "host",
     "protocol"
   ],
   "additionalProperties": false,
@@ -12,8 +12,13 @@
     }
   },
   "properties": {
-    "url": {
-      "type": "string"
+    "host": {
+      "type": "string",
+      "description": "The server host name."
+    },
+    "pathname": {
+      "type": "string",
+      "description": "The path to a resource in the host."
     },
     "title": {
       "type": "string",