diff --git a/FAQ.md b/FAQ.md
index 9210ec6..f6da665 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -64,3 +64,8 @@ function zii() {
     [ -n "$dir" ] && cd "$dir"
 }
 ```
+
+## How to input a hyphen `-` in the keyword.
+
+Q: There is a `~/Documents/github/vue-my-ui` directory, but when I use `z vue-my-ui` the directory cannot be matched.
+A: `-` is a reserved character in lua regexp. you can use either `z vue%-my%-ui` or `z vue my ui`.
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