diff --git a/examples/03-server/README.md b/examples/03-server/README.md
index 0618cf1..4737d6e 100644
--- a/examples/03-server/README.md
+++ b/examples/03-server/README.md
@@ -10,10 +10,10 @@ php -S localhost:8080 ./graphql.php
 
 ### Try query
 ```
-curl -H "Content-Type: application/json" -d '{"query": "query { echo(message: \"Hello World\") }" }' http://localhost:8080
+curl -d '{"query": "query { echo(message: \"Hello World\") }" }' -H "Content-Type: application/json" http://localhost:8080
 ```
 
 ### Try mutation
 ```
-curl -H "Content-Type: application/json" http://localhost:8080 -d '{"query": "mutation { sum(x: 2, y: 2) }" }'
+curl -d '{"query": "mutation { sum(x: 2, y: 2) }" }' -H "Content-Type: application/json" http://localhost:8080
 ```