diff --git a/src/main/resources/Documentation/build.md b/src/main/resources/Documentation/build.md
index 3658b55..de99226 100644
--- a/src/main/resources/Documentation/build.md
+++ b/src/main/resources/Documentation/build.md
@@ -60,3 +60,7 @@
 
 How to build the Gerrit Plugin API is described in the [Gerrit
 documentation](../../../Documentation/dev-bazel.html#_extension_and_plugin_api_jar_files).
+
+[Back to @PLUGIN@ documentation index][index]
+
+[index]: index.html
diff --git a/tools/BUILD b/tools/BUILD
new file mode 100644
index 0000000..1fa2160
--- /dev/null
+++ b/tools/BUILD
@@ -0,0 +1 @@
+# Empty file - bazel treat directories with BUILD file as a package
\ No newline at end of file