diff --git a/README.md b/README.md
index 56bbffc..cc9eb3e 100644
--- a/README.md
+++ b/README.md
@@ -12,11 +12,13 @@ $ npm i react-mathjax --save
 
 ### Usage
 
+Use `Stirng.raw` to avoid escaping javascript strings manually.
+
+You could render it at https://www.codecogs.com/latex/eqneditor.php.
+ 
 ```js
 const MathJax = require('react-mathjax')
-const tex = `f(x) = \\int_{-\\infty}^\\infty
-    \\hat f(\\xi)\\,e^{2 \\pi i \\xi x}
-    \\,d\\xi`
+const tex = String.raw`f(x) = \int_{-\infty}^\infty \hat f(\xi)\,e^{2 \pi i \xi x} \,d\xi`
 
 module.exports = () => {
     return (