README: update Chromium DEPS link

The HEAD psuedo ref always points to the default branch for us.

Change-Id: I02de777fbbb2883f15d111af05d722c40bb8c811
Reviewed-by: Mark Seaborn <>
diff --git a/ b/
index 70cbc85..b0cd129 100644
--- a/
+++ b/
@@ -130,7 +130,7 @@
 If you commit a change to LSS, please also commit a Chromium change to update
 `lss_revision` in
-[Chromium's DEPS](
+[Chromium's DEPS](
 This ensures that the LSS change gets tested, so that people who commit later