Fixed documentation.

README.md

@@ -100,6 +100,7 @@ Response:
 Optionally, messages can be complex. Here is a message from `user1` to `user3`, both `payload` and `payloadType` are `nvarchar` fields and their content can be whatever.
 
 Request:
+
     http /send (post) header: Authorization: Bearer 81ccf737-d424-4f83-929c-92d20491abfa
     {
         "payloadType": "STATUS",
@@ -110,8 +111,8 @@ Request:
 
 Response:
 
-  http (json):
-  "5f33b4bd-dc2a-4ace-947a-1aadc6045995"
+    http (json):
+    "5f33b4bd-dc2a-4ace-947a-1aadc6045995"
 
 
 ### `GET /receive`