diff --git a/README.md b/README.md
index edfecdf..dd6af11 100644
--- a/README.md
+++ b/README.md
@@ -19,14 +19,19 @@ Create a file by the name of `.env` in the same directory as `docker-compose.yml
 TITLE=
 DESCRIPTION=
 DISABLE_NEW=
+FAVICON_URL=
 ```
 
+All of the following are optional. You can leave it all blank, or not even have a `.env` file at all. 
+
 `TITLE` - The title to be used around PasteBook.
 
 `DESCRIPTION` - The description to be used in embeds and on the home page of PasteBook.
 
 `DISABLE_NEW` - Disables the new paste page. API is still accessible.
 
+`FAVICON_URL` - The URL that the favicon will be provided with. 
+
 ### Creation
 Run the following.
 ```bash