diff --git a/tools/gn/bootstrap/OWNERS b/tools/gn/bootstrap/OWNERS
index 72e8ffc..21aeec2 100644
--- a/tools/gn/bootstrap/OWNERS
+++ b/tools/gn/bootstrap/OWNERS
@@ -1 +1,4 @@
+# It's OK to TBR changes to bootstrap.py that edits the file lists to bring
+# them in line with the Chrome build. For more substantial changes, please
+# send a normal review.
 *