diff --git a/README.md b/README.md
index 138fe60..0206762 100644
--- a/README.md
+++ b/README.md
@@ -317,5 +317,11 @@ git clean -f
 git clean -f -d
 ```
 
+
+__Alternatives:__
+```sh
+git clean -df
+```
+
 <!-- Don’t remove or change the comment below – that can break automatic updates. More info at <http://npm.im/doxie.inject>. -->
 <!-- @doxie.inject end -->
diff --git a/tips.json b/tips.json
index 843d513..f9dd009 100644
--- a/tips.json
+++ b/tips.json
@@ -181,6 +181,6 @@
   {
     "title": "Forcefully remove untracked directory",
     "tip": "git clean -f -d",
-    "alternatives": "git clean -df"
+    "alternatives": ["git clean -df"]
   }
 ]