diff --git a/Android.bp b/Android.bp
index e94e37c..6d99c5a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,12 +1,14 @@
 // This file is generated by cargo_embargo.
-// Do not modify this file as changes will be overridden on upgrade.
+// Do not modify this file after the first "rust_*" or "genrule" module
+// because the changes will be overridden on upgrade.
+// Content before the first "rust_*" or "genrule" module is preserved.
 
 rust_library_rlib {
     name: "libsmccc",
     crate_name: "smccc",
     cargo_env_compat: true,
     cargo_pkg_version: "0.1.1",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     edition: "2021",
     apex_available: [
         "//apex_available:platform",
@@ -27,7 +29,7 @@
     crate_name: "smccc",
     cargo_env_compat: true,
     cargo_pkg_version: "0.1.1",
-    srcs: ["src/lib.rs"],
+    crate_root: "src/lib.rs",
     test_suites: ["general-tests"],
     auto_gen_config: true,
     edition: "2021",