diff --git a/README.chromium b/README.chromium
index 93e4a22..1c7a990 100644
--- a/README.chromium
+++ b/README.chromium
@@ -39,3 +39,6 @@
   * Follow the update instructions to get a build from the CI builder.
 * Updating this file:
   * The overall Version field should correspond to the Platform API version.
+* Updating other things:
+  * Use "git log third_party/android_sdk/README.chromium" to find previous
+    update commits and see what sorts of changes to make.