dev-contributing: Document that we format .bzl files with buildifier
Change-Id: I7556af36c770d1af8822c3d5bd36abc043f19092
diff --git a/Documentation/dev-contributing.txt b/Documentation/dev-contributing.txt
index ffb9272..cff941e 100644
--- a/Documentation/dev-contributing.txt
+++ b/Documentation/dev-contributing.txt
@@ -153,7 +153,7 @@
To format Java source code, Gerrit uses the
link:https://github.com/google/google-java-format[`google-java-format`]
-tool (version 1.5), and to format Bazel BUILD and WORKSPACE files the
+tool (version 1.5), and to format Bazel BUILD, WORKSPACE and .bzl files the
link:https://github.com/bazelbuild/buildtools/tree/master/buildifier[`buildifier`]
tool (version 0.12.0).
These tools automatically apply format according to the style guides; this
