diff --git a/README.md b/README.md
index 8a59ee6..9a4aab7 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,12 @@ REACT_APP_TITLE=My Gallery
 REACT_APP_APPBAR_COLOR=#F8AB2D
 ```
 
+Other properties:
+
+```properties
+REACT_APP_FAVICON_HREF=<URL to your favicon>
+```
+
 And run docker with `--env-file .env`
 
 ```shell