Update README.md

Author: bingh0616

README.md

@@ -59,7 +59,7 @@ The current version of TinyCrayon SDK provides the following three tools:
 ### Prerequisites
 * Xcode 8.0 or later.
 * A physical iOS device.
-* Recommended: [installation of CocoaPods](http://guides.cocoapods.org/using/getting-started) to simplify dependency management
+* Recommended: [installation of CocoaPods](http://guides.cocoapods.org/using/getting-started) to simplify dependency management.
 
 ### Streamlined, using CocoaPods
 TinyCrayon SDK is available via CocoaPods. If you're new to CocoaPods, this [Getting Started Guide](https://guides.cocoapods.org/using/getting-started.html) will help you. CocoaPods is the preferred and simplest way to use the TinyCrayon SDK.