path: fix comment for Split()
R=golang-dev
CC=golang-dev
https://golang.org/cl/1905050
diff --git a/src/pkg/path/path.go b/src/pkg/path/path.go
index 9c1d093..6a499f04 100644
--- a/src/pkg/path/path.go
+++ b/src/pkg/path/path.go
@@ -104,7 +104,7 @@
// Split splits path immediately following the final slash,
// separating it into a directory and file name component.
-// If there is no slash in path, DirFile returns an empty dir and
+// If there is no slash in path, Split returns an empty dir and
// file set to path.
func Split(path string) (dir, file string) {
for i := len(path) - 1; i >= 0; i-- {
