lint: update documentation for golint.el

Change-Id: I4f8e29316e6db771568339851aaaf532135562d8
GitHub-Last-Rev: ecb51e40013528e2960a911411c8db4aafd889ac
GitHub-Pull-Request: golang/lint#458
Reviewed-on: https://go-review.googlesource.com/c/lint/+/189018
Reviewed-by: Andrew Bonventre <andybons@golang.org>
diff --git a/README.md b/README.md
index 487eba7..4968b13 100644
--- a/README.md
+++ b/README.md
@@ -78,7 +78,7 @@
 
 Add this to your `.emacs` file:
 
-    (add-to-list 'load-path (concat (getenv "GOPATH")  "/src/github.com/golang/lint/misc/emacs"))
+    (add-to-list 'load-path (concat (getenv "GOPATH")  "/src/golang.org/x/lint/misc/emacs/"))
     (require 'golint)
 
 If you have multiple entries in your GOPATH, replace `$GOPATH` with the right value.