Update _posts/2025-04-23-secure-mcp-sse-server.adoc

Co-authored-by: Clement Escoffier <clement.escoffier@gmail.com>

Author: sberyozkin

_posts/2025-04-23-secure-mcp-sse-server.adoc

@@ -169,7 +169,7 @@ Open another window and use the same access token to post a tool call request to
 
 [source,shell]
 ----
-url -v -H "Authorization: Bearer ey..." -H "Content-Type: application/json" --data @call.json http://localhost:8080/mcp/messages/ZTZjZDE5MzItZDE1ZC00NzBjLTk0ZmYtYThiYTgwNzI1MGJ
+curl -v -H "Authorization: Bearer ey..." -H "Content-Type: application/json" --data @call.json http://localhost:8080/mcp/messages/ZTZjZDE5MzItZDE1ZC00NzBjLTk0ZmYtYThiYTgwNzI1MGJ
 ----
 
 where the `call.json` file looks like this: