diff --git a/README.md b/README.md
index c728c7e..46c5f93 100644
--- a/README.md
+++ b/README.md
@@ -5,3 +5,9 @@
 cd dotfiles
 ./ln.sh
 ```
+
+## Option
+```
+git config --global user.name "Your name"
+git config --global user.email your@email.address
+```