diff --git a/README.md b/README.md
index ff4c4bf..194db08 100644
--- a/README.md
+++ b/README.md
@@ -10,12 +10,25 @@
 
 To download, please visit https://github.com/acantepie/opusify/releases
 
+You must install `ffmpeg` on your system : [download ffmpeg](https://ffmpeg.org/download.html)
+
+Only two platforms are supported :
+ - linux
+ - windows
+
+## Notes
+
+All music is downloaded from Youtube. The quality of the audio files will be 128Kpbs.
+
+For Now, it is on **alpha release**. 
+
+
 ## Features
-- Synchronize your Music Library with Spotify (private/public/liked playlists and liked tracks)
-- Download your Library on your hard drive from Youtube
-- Tag your Audio files
+- Download all your spotify music : public / private playlists and liked tracks
+- Add metadata on your audio files
 - Convert Audio files in various format (opus, aac, mp3, flac)
 
+
 ## Powered by
 
 - [ElectronJs](https://www.electronjs.org/)
diff --git a/src/electron/settings.ts b/src/electron/settings.ts
index 207ebd8..e2ebaad 100644
--- a/src/electron/settings.ts
+++ b/src/electron/settings.ts
@@ -1,7 +1,7 @@
 export const settings = {
     spotify: {
         // protect my spotify client id from russian hacker :)
-        client_id: Buffer.from('MTQ0Y2UzNDI4MzFiNDZlZTljYjFjOGJjODI0OGNlODI=', 'base64').toString()
+        client_id: Buffer.from('MGIwYWNkN2Q3MDlkNDAzMzkxMTBlYzBiODk0ODhjM2U=', 'base64').toString()
     },
     audio_codec : [
         {