diff --git a/postfix/virtual b/postfix/virtual
index 03991098..7d6adf3b 100644
--- a/postfix/virtual
+++ b/postfix/virtual
@@ -1,7 +1,7 @@
 #
-# ALIAS => from alias@domain.tld (alias) to user@domain.tld (real account)
+# ALIAS => from alias@domain.tld (alias) to user@domain.tld (real account), space separated
 # alias@domain.tld user@domain.tld
 #
-# FORWARD => from redirect@domain.tld to a list of internal/external email addresses
+# FORWARD => from redirect@domain.tld to a list of internal/external email addresses, space separated
 # redirect@domain.tld otheruser@domain.tld otheruser@otherdomain.tld
 #
\ No newline at end of file