diff --git a/README.md b/README.md
index cfdddec..1491257 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,7 @@ Available options/variables and their default values:
 | GOG_EMAIL     	|         	| GOG email for login. Overrides EMAIL.                                  	|
 | GOG_PASSWORD  	|         	| GOG password for login. Overrides PASSWORD.                            	|
 | GOG_NEWSLETTER	| 0       	| Do not unsubscribe from newsletter after claiming a game if 1.         	|
+| LG_EMAIL        |         	| Legacy Games: email to use for redeeming (if not set, defaults to PG_EMAIL)  |
 
 See `src/config.js` for all options.