diff --git a/docs/compose/.env b/docs/compose/.env
index b4a8b218..27822c37 100644
--- a/docs/compose/.env
+++ b/docs/compose/.env
@@ -97,7 +97,7 @@ WELCOME_SUBJECT=Welcome to your new email account
 WELCOME_BODY=Welcome to your new email account, if you can read this, then it is configured properly!
 
 # Maildir Compression
-# choose compression-method, default: none (value: gz, bz2, xz, lz4)
+# choose compression-method, default: none (value: gz, bz2, lz4, zstd)
 COMPRESSION=
 # change compression-level, default: 6 (value: 1-9)
 COMPRESSION_LEVEL=