diff --git a/README.md b/README.md
index ba1b2c8..19aac7b 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ yarn add simple-jsonp-promise
 ``` bash
 import jsonp from 'simple-jsonp-promise'
 let options = {
-        params:{
+        data: {
             a : 1,
             b : 2
         },
@@ -20,4 +20,4 @@ let options = {
         timeout : 15000
     }
 let response = await jsonp('https://localhost/api.jsonp' , options);
-```
\ No newline at end of file
+```