diff --git a/system/t03_help/MirrorCreateHelpTest_gold b/system/t03_help/MirrorCreateHelpTest_gold
index 74ea3140..42c1e76e 100644
--- a/system/t03_help/MirrorCreateHelpTest_gold
+++ b/system/t03_help/MirrorCreateHelpTest_gold
@@ -1,7 +1,8 @@
 Usage: aptly mirror create <name> <archive url> <distribution> [<component1> ...]
 
 Creates mirror <name> of remote repository, aptly supports both regular and flat Debian repositories exported
-via HTTP. aptly would try download Release file from remote repository and verify its' signature.
+via HTTP. aptly would try download Release file from remote repository and verify its' signature. Command
+line format resembles apt utlitily sources.list(5).
 
 PPA urls could specified in short format: