diff --git a/dapp-dev-guide/sdk/index.rst b/dapp-dev-guide/sdk/index.rst
index 1724922cd..33ddf2366 100644
--- a/dapp-dev-guide/sdk/index.rst
+++ b/dapp-dev-guide/sdk/index.rst
@@ -12,7 +12,7 @@ The following table provides links to the SDK documentation, in addition to the
  Java SDK (work in progress)                                                              https://github.com/casper-network/casper-java-sdk/
  Go SDK (work in progress)                                                                https://github.com/casper-ecosystem/casper-golang-sdk/
  Python SDK (work in progress)                                                            https://github.com/casper-network/casper-python-sdk/ 
- `C# SDK <csharp-sdk.rst>`_ (submitted to Friendly Hackaton work in progress)             https://github.com/davidatwhiletrue/netcaspersdk  
+ `C# SDK <csharp-sdk.html>`_ (submitted to the Friendly Hackaton, work in progress)             https://github.com/davidatwhiletrue/netcaspersdk  
 ======================================================================================    ==========================================================================================================================================
 
 .. toctree::