Corrected typo in npm installation step.

rmariuzzo · web-flow · commit 2c27ab3e8707 · 2017-11-15T18:17:29.000-09:00
diff --git a/README.md b/README.md
@@ -23,7 +23,7 @@ yarn add react-input-handler
 or 
 
 ```shell
-npm install react-inpu-handler --save
+npm install react-input-handler --save
 ```
 
 ## Usage
