diff --git a/cmd/abigen/main.go b/cmd/abigen/main.go
index 56f2170aa9..5d9f5712a9 100644
--- a/cmd/abigen/main.go
+++ b/cmd/abigen/main.go
@@ -65,7 +65,7 @@ var (
 	}
 	aliasFlag = &cli.StringFlag{
 		Name:  "alias",
-		Usage: "Comma separated aliases for function and event renaming, e.g. original1=alias1, original2=alias2",
+		Usage: "Comma separated aliases for function and event renaming.  If --v2 is set, errors are aliased as well. e.g. original1=alias1, original2=alias2",
 	}
 	v2Flag = &cli.BoolFlag{
 		Name:  "v2",