diff --git a/doc/npm.md b/doc/npm.md
index 2f43f8c1..4dd28e15 100644
--- a/doc/npm.md
+++ b/doc/npm.md
@@ -36,6 +36,7 @@ npm config set python python2
 ```
 
 ## macOS
+
 ```bash
 xcode-select --install
 ```