diff --git a/doc/code.html b/doc/code.html
index 2141fb6551..8cbfba04a0 100644
--- a/doc/code.html
+++ b/doc/code.html
@@ -127,6 +127,11 @@ to your PATH:
$ export PATH=$PATH:$GOPATH/bin
+
+To learn more about setting up the GOPATH environment variable,
+please see
+go help gopath
+