Fix some go nits.

pkg/commands/misc/config.go

@@ -97,7 +97,7 @@ func (o *saveOptions) Complete(fsys fs.FileSystem) error {
 	if fsys.IsDir(o.saveDirectory) {
 		return nil
 	}
-	return fmt.Errorf("%s is not a directory. Please use a different directory name.", o.saveDirectory)
+	return fmt.Errorf("%s is not a directory", o.saveDirectory)
 }
 
 // RunSave saves the default transformer configurations local directory

pkg/commands/misc/config_test.go

@@ -61,7 +61,7 @@ func TestComplete(t *testing.T) {
 		},
 		{
 			dir:    "/some/file",
-			expect: fmt.Errorf("%s is not a directory. Please use a different directory name.", "/some/file"),
+			expect: fmt.Errorf("%s is not a directory", "/some/file"),
 		},
 	}