Fix Xconnect example on web docs

Change-Id: I6f7b4f78b4dc6a1bc9daa1c7d60e37f46e758253
(cherry picked from commit ea5ea0128f6bac0b3ed1670cae71c83000807413)
diff --git a/apps/segmentrouting/web/src/main/resources/definitions/XconnectCreate.json b/apps/segmentrouting/web/src/main/resources/definitions/XconnectCreate.json
index 8d2099f..87a776c 100644
--- a/apps/segmentrouting/web/src/main/resources/definitions/XconnectCreate.json
+++ b/apps/segmentrouting/web/src/main/resources/definitions/XconnectCreate.json
@@ -4,7 +4,7 @@
   "required": [
     "deviceId",
     "vlanId",
-    "ports"
+    "endpoints"
   ],
   "properties": {
     "deviceId": {
@@ -17,7 +17,7 @@
       "example": "94",
       "description": "VLAN ID"
     },
-    "ports": {
+    "endpoints": {
       "type": "array",
       "items": {
         "type": "int8",
@@ -26,4 +26,4 @@
       "example": [1, 2]
     }
   }
-}
\ No newline at end of file
+}