update README

Author: Samueru-sama

README.md

@@ -1,9 +1,12 @@
 # make-stable-appimage-release
 
-Makes an stable release of your AppImage and commits the latest version to the repository, this action needs:
+Makes an stable release of your AppImage and commits the latest version to the repository, this action needs a file in the current working dir called `./appinfo` with the following information:
 
-*  A file in the current working dir called `./appname` which is used for the release name. 
-
-* A file in the current working dir called `./version` which is used for the release version as well as the `LATEST_VERSION` commit to the repository.
+```
+X-AppImage-Name=APPNAME     # used for the release name
+X-AppImage-Version=VERSION  # used for the release version
+```
 
 The release tag will contain the version of the application plus the current date in the following format: `VERSION@%Y-%m-%d_%s`.
+
+The action will also commit to a `./LATEST_VERSION` file to the top of the repository containing the version of the app.