diff --git a/DEPS b/DEPS
index 311b63cd22..a84cdd8e53 100644
--- a/DEPS
+++ b/DEPS
@@ -11,6 +11,8 @@ vars = {
   "googlecode_url": "http://%s.googlecode.com/svn",
   "sourceforge_url": "http://svn.code.sf.net/p/%(repo)s/code",
   "chromium_trunk" : "http://src.chromium.org/svn/trunk",
+  # chrome://version/ for revision of canary Chrome.
+  # http://chromium-status.appspot.com/lkgr is a last known good revision.
   "chromium_revision": "285412",
 
   # A small subset of WebKit is needed for the Android Python test framework.