Update README.md

Author: christian-fei

README.md

@@ -51,4 +51,4 @@ Submitted solutions:
 - [amirci/opening-hours-kata-hs ~ Haskell](https://github.com/amirci/opening-hours-kata-hs)
 - [shanecharles/opening-hours-kata-solutions ~ Erlang & Commodore 64](https://github.com/shanecharles/opening-hours-kata-solutions/)
 - [fain182/opening-hours-kata ~ PHP](https://github.com/fain182/opening-hours-kata)
-- [dlion/opening-hours-kata ~ GO](https://github.com/dlion/opening-hours-kata)
+- [dlion/opening-hours-kata ~ Go](https://github.com/dlion/opening-hours-kata)