diff --git a/packages/alias-to-sieve/README.md b/packages/alias-to-sieve/README.md
index 6d0cb22..7edc130 100644
--- a/packages/alias-to-sieve/README.md
+++ b/packages/alias-to-sieve/README.md
@@ -50,7 +50,7 @@ discard;
 
 ```
 
-If you have multiple domains, do `$ ./alias_to_sieve simple.aliases example.com other.aliases example.org`.
+If you have multiple domains with multiple alias files, do `$ ./alias_to_sieve simple.aliases example.com other.aliases example.org`.
 
 ## Limitations
 You cannot use apostrophes (') in any mail addresses although allowed by [RFC 5322](https://www.rfc-editor.org/rfc/rfc5322) since they would break termination of strings in sieve.