diff --git a/README.md b/README.md
index 0c4da1d..c81dbb2 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,17 @@ Turn a simple Markdown document into an elegant resume.
     php ./build/build.php --source sample.md
     php ./build/build.php --source sample.md --pdf
 
+## Options
+
+If you want to edit your markdown resume in your editor while watching it
+update in your browser, run this command:
+
+    watch php ./build/build.php -s sample.md -r
+    
+This makes the build script run periodically, and html document will refresh
+every two seconds. Open the `./ouput/sample.html` file in your browser, and
+then just save your markdown document when you want to see a fresh preview.
+
 ## Development
 
 Markdown is limited to basic html markup. Follow the `resume/sample.md` file