docs: update README

README.md

@@ -53,7 +53,7 @@
 
 In order to make Typst render correctly, you will have to install the required fonts [**Roboto**](https://fonts.google.com/specimen/Roboto), [**Source Sans Pro**](https://fonts.google.com/specimen/Source+Sans+3) (or **Source Sans 3**) as well as [Fontawesome 6](https://fontawesome.com/download) in your local system.
 
-*NOTE: For online editor, Roboto and Source Sans Pro are already included; however you will still have to manually upload the `.otf` files of Fontawesome to your project, by creating a folder `fonts` and put all the `otf` files there. See [Issue](https://github.com/typst/webapp-issues/issues/401)*
+*NOTE: For online editor, Source Sans Pro are already included; however you will still have to manually upload the `.otf` or `.ttf` files of **Fontawesome** and **Roboto** to your project, by creating a folder `fonts` and put all the `otf` files there. See [Issue](https://github.com/typst/webapp-issues/issues/401)*
 
 ### 2. Check Documentation