diff --git a/README.md b/README.md
index c37f5e2..acdb441 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,13 @@
 
 Automate copying your files via ftp using this GitHub action.
 
+View in [GitHub Marketplace](https://github.com/marketplace/actions/ftp-upload-action).
+For details on how it works (and the options it sets, such as timeouts), read [`entrypoint.sh`](./entrypoint.sh). 
+You may be especially interested to note that: 
+
+- the `.git` folder is not (up/down)loaded
+- only newer files are (up/down)loaded
+
 ## Example usage
 
 ```
@@ -14,7 +21,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Upload ftp
-      uses: genietim/ftp-action@releases/v4
+      uses: ftp-upload-action@v4
       with:
         host: ${{ secrets.FTP_SERVER }}
         user: ${{ secrets.FTP_USERNAME }}
@@ -23,6 +30,8 @@ jobs:
         remoteDir: "www"
 ```
 
+Note that the `secrets.FTP_{SERVER,USERNAME,PASSWORD}` variables have to be set in the repository settings.
+
 ## Input parameters
 
 Input parameter | Description | Required | Default