diff --git a/README.md b/README.md
index ab8b064e35c52772ee914345bcb3012ef18a8b4d..0de7dbdb9e216fad78800772efe6649a0b5f5043 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,10 @@ Need convincing?
 * Try it in your browser: [markdown-it-katex demo](http://waylonflinn.github.io/markdown-it-katex/)
 
 ## Usage
+Install markdown-it
+```
+npm install markdown-it
+```
 
 Install the plugin