diff --git a/src/pkg/path/path.go b/src/pkg/path/path.go
index 6a499f04267..8ed6a28d580 100644
--- a/src/pkg/path/path.go
+++ b/src/pkg/path/path.go
@@ -140,7 +140,7 @@ func Ext(path string) string {
 }
 
 // Visitor methods are invoked for corresponding file tree entries
-// visited by Walk. The parameter path is the full path of d relative
+// visited by Walk. The parameter path is the full path of f relative
 // to root.
 type Visitor interface {
 	VisitDir(path string, f *os.FileInfo) bool