fix(std): fix broken style guide link
@@ -42,4 +42,5 @@ building Go. We generally welcome direct ports of Go's code.
Please ensure the copyright headers cite the code's origin.
-Follow the [style guide](https://deno.land/style_guide.html).
+Follow the
+[style guide](https://github.com/denoland/deno/blob/master/docs/contributing/style_guide.md).
