Update link for subdomains instructions.
diff --git a/tools/serve/serve.py b/tools/serve/serve.py
index f63bdcc..e4f0d5e 100644
--- a/tools/serve/serve.py
+++ b/tools/serve/serve.py
@@ -35,7 +35,7 @@
EDIT_HOSTS_HELP = ("Please ensure all the necessary WPT subdomains "
"are mapped to a loopback device in /etc/hosts. "
- "See https://github.com/web-platform-tests/wpt#running-the-tests "
+ "See https://web-platform-tests.org/running-tests/from-local-system.html#system-setup "
"for instructions.")
diff --git a/tools/wptserve/wptserve/server.py b/tools/wptserve/wptserve/server.py
index c037732..9e84280 100644
--- a/tools/wptserve/wptserve/server.py
+++ b/tools/wptserve/wptserve/server.py
@@ -65,9 +65,9 @@
EDIT_HOSTS_HELP = ("Please ensure all the necessary WPT subdomains "
- "are mapped to a loopback device in /etc/hosts. "
- "See https://github.com/web-platform-tests/wpt#running-the-tests "
- "for instructions.")
+ "are mapped to a loopback device in /etc/hosts. "
+ "See https://web-platform-tests.org/running-tests/from-local-system.html#system-setup "
+ "for instructions.")
class RequestRewriter(object):