Merge pull request #4 from stackql/issue-2-imporve-read-me

small fix in readme

Author: yunchengyang515

README.md

@@ -60,7 +60,7 @@ where org = 'stackql';
 ```
 
 
-## Input
+## Inputs
 - `auth_obj_path` - (optional) the path of json file that stores stackql AUTH string
 - `auth_str` - (optional) stackql AUTH string, need either auth_str or auth_obj_path
 - `query` - (optional) stackql query to execute