Fix link to service credentials (#498)

Author: SirSpidey

README.md

@@ -64,7 +64,7 @@ For more details see [#405](https://github.com/watson-developer-cloud/python-sdk
 
 ## Examples
 
-The [examples][examples] folder has basic and advanced examples. The examples within each service assume that you already have [service credentials]((#getting-credentials). 
+The [examples][examples] folder has basic and advanced examples. The examples within each service assume that you already have [service credentials](#getting-credentials). 
 
 ## Running in IBM Cloud