diff --git a/internal/archive/archive.go b/internal/archive/archive.go
index 87a8abdd..8deb9d71 100644
--- a/internal/archive/archive.go
+++ b/internal/archive/archive.go
@@ -196,7 +196,7 @@ func openUbuntu(options *Options) (Archive, error) {
 	}
 	if options.Pro != "" {
 		if _, ok := proArchiveInfo[options.Pro]; !ok {
-			return nil, fmt.Errorf("archive options has invalid pro value: %q", options.Pro)
+			return nil, fmt.Errorf("invalid pro value: %q", options.Pro)
 		}
 	}
 
diff --git a/internal/archive/archive_test.go b/internal/archive/archive_test.go
index 482f07f6..ea05a5f2 100644
--- a/internal/archive/archive_test.go
+++ b/internal/archive/archive_test.go
@@ -190,7 +190,7 @@ var optionErrorTests = []optionErrorTest{{
 		Components: []string{"main", "other"},
 		Pro:        "invalid",
 	},
-	error: `archive options has invalid pro value: "invalid"`,
+	error: `invalid pro value: "invalid"`,
 }}
 
 func (s *httpSuite) TestOptionErrors(c *C) {