diff --git a/How-to-add-custom-license-scheme-yourself.md b/How-to-add-custom-license-scheme-yourself.md
index d632ea5..af882dc 100644
--- a/How-to-add-custom-license-scheme-yourself.md
+++ b/How-to-add-custom-license-scheme-yourself.md
@@ -42,14 +42,14 @@ See [Contribution](https://github.com/FoxRefire/wvg/wiki/Contribution) for more
 
 [*licBody*](https://github.com/FoxRefire/wvg/blob/next/popup.js#L19): Request payloads of License server as Base64 String. Use `loadBody()` API to able to load it in scheme.
 
-[*corsFetch(url, method, headers, body, resType)*](https://github.com/FoxRefire/wvg/blob/next/python/pre.py#L47): Use this function for requesting to license server. 
+[*corsFetch(url, method, headers, body, resType)*](https://github.com/FoxRefire/wvg/blob/next/python/pre.py#L47): Use this function for requesting to license server.  Alternatively, if the license server does not care about the Origin header, [pyfetch](https://pyodide.org/en/stable/usage/api/python-api/http.html#pyodide.http.pyfetch) can be used.
    * **PARAMS:**
       * **url:** Specifies URL to request in string.
       * **method:** Specifies request method in string, `"POST"` is used in most cases.
       * **headers:** Specifies headers of request in `dict` or `str`, in most cases, specifying `licHeaders` as is. 
       * **body:** Specifies requestBody of request in `bytes`, `str`, or `dict`, in most cases, either a `licBody` with a modified payload or a `challenge` is specified as is.
       * **resType:** Specifies the return type in string, accepts `"blob"`, `"str"` or `"json"`.
-   * **RESPONSE:** Returns fetch response as `bytes`, `str` or `dict` depending on the argument
+   * **RESPONSE:** Returns fetch response as `bytes`, `str` or `dict` depending on the argument (Asynchronous)
 
 
 [*loadBody(loadAs)*](https://github.com/FoxRefire/wvg/blob/next/python/pre.py#L67): Loads Base64 encoded requestBody into scheme