docs(app): typo correction

Author: jackhkmatthews

README.md

@@ -4,7 +4,7 @@
 
 This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version 1.5.4.
 
-A simple progressive/responsive/lazy loading image library for [Angular (2/4+)][angular] that detects browser size and loads the appropriate only when the element is in view. Classes are attributed and events emited on image loads. This package requires [angular-inviewport][angular-inviewport].
+A simple progressive/responsive/lazy loading image library for [Angular (2/4+)][angular] that detects browser size and loads the appropriate image only when the element is in view. Classes are attributed and events emited on image loads. This package requires [angular-inviewport][angular-inviewport].
 
 <img src="https://raw.githubusercontent.com/thisissoon/angular-image-loader/master/src/assets/example.gif" alt="example">