doc: simplify symbol links for relnotes

This is a follow-up to CL 578195.

Change-Id: Iab38ee008df8b06c300b0027019cc0464bdadca1
Reviewed-on: https://go-review.googlesource.com/c/go/+/579796
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
diff --git a/doc/next/6-stdlib/99-minor/net/63116.md b/doc/next/6-stdlib/99-minor/net/63116.md
index d847a55..89ec4b1 100644
--- a/doc/next/6-stdlib/99-minor/net/63116.md
+++ b/doc/next/6-stdlib/99-minor/net/63116.md
@@ -1,3 +1,3 @@
-The [`DNSError`](/pkg/net#DNSError) type now wraps errors caused by timeouts
-or cancelation. For example, `errors.Is(someDNSErr, context.DeadlineExceedeed)`
+The [DNSError] type now wraps errors caused by timeouts or cancelation.
+For example, `errors.Is(someDNSErr, context.DeadlineExceedeed)`
 will now report whether a DNS error was caused by a timeout.