Corrected numbering

TS-0020-WebSocket_Protocol_Binding.md

@@ -174,7 +174,7 @@ Note over ADN-AE, CSE: 15) non-registration CRUDN operations
 **Figure 5.2-2: Example message flow with WebSocket binding**
 
 1. The ADN-AE wants to register to its registrar MN-CSE. If a WebSocket connection does not exist, it is established by the following steps 2) and 3). It is assumed that the ADN-AE knows the point of access (i.e. WebSocket URI specified in IETF RFC 6455 <a href="#_ref_1">[1]</a>) under which the registrar CSE can be reached with WebSocket binding.
-1. The WebSocket client opens handshake to the server with subprotocol name oneM2M.json following IETF RFC 6455 <a href="#_ref_1">[1]</a>.   
+2. The WebSocket client opens handshake to the server with subprotocol name oneM2M.json following IETF RFC 6455 <a href="#_ref_1">[1]</a>.   
 If the server can be reached under the WebSocket URI ws://example.net:9000/, the client handshake may look as follows:
   ```http
   GET / HTTP/1.1