content/go-fmt-your-code: Fix broken link for go/misc/git/pre-commit script.

Change-Id: If5df5d84b933fdfcc476cb2bafeb9982a6ac9a49
Reviewed-on: https://go-review.googlesource.com/c/blog/+/203611
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/content/go-fmt-your-code.article b/content/go-fmt-your-code.article
index 3d41f0d..ea6cd13 100644
--- a/content/go-fmt-your-code.article
+++ b/content/go-fmt-your-code.article
@@ -40,7 +40,7 @@
 
 For Eclipse or Sublime Text users, the [[https://github.com/GoClipse/goclipse][GoClipse]] and [[https://github.com/DisposaBoy/GoSublime][GoSublime]] projects add a gofmt facility to those editors.
 
-And for Git aficionados, the [[https://golang.org/misc/git/pre-commit][misc/git/pre-commit script]] is a pre-commit hook that prevents incorrectly-formatted Go code from being committed. If you use Mercurial, the [[https://bitbucket.org/fhs/hgstyle/overview][hgstyle plugin]] provides a gofmt pre-commit hook.
+And for Git aficionados, the [[https://github.com/golang/go/blob/release-branch.go1.1/misc/git/pre-commit][misc/git/pre-commit script]] is a pre-commit hook that prevents incorrectly-formatted Go code from being committed. If you use Mercurial, the [[https://bitbucket.org/fhs/hgstyle/overview][hgstyle plugin]] provides a gofmt pre-commit hook.
 
 * Mechanical source transformation