diff --git a/readme.md b/readme.md
index 2e00e1d..5d148e2 100644
--- a/readme.md
+++ b/readme.md
@@ -18,9 +18,10 @@ $ npm install --save github-markdown-css
## Usage
-Import the `github-markdown.css` file and add a `markdown-body` class to the container of your rendered Markdown and set a width for it. GitHub uses `980px` width and `45px` padding.
+Import the `github-markdown.css` file and add a `markdown-body` class to the container of your rendered Markdown and set a width for it. GitHub uses `980px` width and `45px` padding, and `15px` padding for mobile.
```html
+