Highlight minimum CocoaPods version

Author: wtmoose

README.md

@@ -42,7 +42,7 @@ pod 'SwiftMessages', '~> 2.0.0'
 # Swift 2.2 - Xcode 7.3.1
 pod 'SwiftMessages', '~> 1.1.4'
 ````
-Note that Swift 2.3 and Swift 3.0 require CocoaPods 1.1.0, which is in beta as of September 20, 2016. CocoaPods 1.1.0 beta can be installed with the following command:
+__Note that Swift 2.3 and Swift 3.0 require CocoaPods 1.1.0__, which is in beta as of September 20, 2016. CocoaPods 1.1.0 beta can be installed with the following command:
 
 ````
 sudo gem install cocoapods --pre