diff --git a/libresonic/README.md b/libresonic/README.md
index 838c53c..fd48883 100644
--- a/libresonic/README.md
+++ b/libresonic/README.md
@@ -11,12 +11,17 @@ Libresonic is an open-source web-based media streamer and jukebox. Supports MP3,
 #### Environment variables
 - **GID** : subsonic group id.
 - **UID** : subsonic user id.
+- **HTTPS_PORT** : set if you access Libresonic through HTTPS *(default : 0 = disabled)*
 
 #### Volumes
 - **/musics** : your music files
 - **/data** : subsonic data
 
+#### Port
+- 4040
+- $HTTS_PORT (example : 4050)
 
 #### Reverse proxy
 https://github.com/Wonderfall/dockerfiles/tree/master/reverse
+
 https://github.com/hardware/mailserver/wiki/Reverse-proxy-configuration