Corrected links

Author: merbla

README.md

@@ -6,7 +6,7 @@
 
 A sink for Serilog that writes events to [Splunk](https://splunk.com). Moved from the [main Serilog repository](https://github.com/serilog/serilog) for independent versioning. Published to [NuGet](http://www.nuget.org/packages/serilog.sinks.splunk).
 
-**Package** - [Serilog.Sink.Splunk](http://nuget.org/packages/serilog.sink.splunk)
+**Package** - [Serilog.Sinks.Splunk](http://nuget.org/packages/serilog.sinks.splunk)
 | **Platforms** - .NET 4.5+, PCL
 
 ## Getting started