go-tour: fix a couple of bad format strings

LGTM=dsymonds R=dsymonds CC=golang-codereviews https://codereview.appspot.com/80980044
Go-zh · Mar 27, 2014 · b8dda42 · b8dda42
1 parent e0707dc
commit b8dda42
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/gotour/tour.go b/gotour/tour.go
@@ -259,11 +259,11 @@ func initScript(root string) error {
 	for _, file := range files {
 		f, err := ioutil.ReadFile(filepath.Join(root, file))
 		if err != nil {
-			return fmt.Errorf("couldn't open %v", file, err)
+			return fmt.Errorf("couldn't open %v: %v", file, err)
 		}
 		_, err = b.Write(f)
 		if err != nil {
-			return fmt.Errorf("error concatenating %v", file, err)
+			return fmt.Errorf("error concatenating %v: %v", file, err)
 		}
 	}