Fixed utility function calls in testing example
diff --git a/README.md b/README.md
index da4c956..db20817 100644
--- a/README.md
+++ b/README.md
@@ -201,8 +201,8 @@
appFS = afero.NewMemMapFs()
// create test files and directories
appFS.MkdirAll("src/a", 0755))
- appFS.WriteFile("src/a/b", []byte("file b"), 0644)
- appFS.WriteFile("src/c", []byte("file c"), 0644)
+ afero.WriteFile(appFS, "src/a/b", []byte("file b"), 0644)
+ afero.WriteFile(appFS, "src/c", []byte("file c"), 0644)
_, err := appFS.Stat("src/c")
if os.IsNotExist(err) {
t.Errorf("file \"%s\" does not exist.\n", name)