diff --git a/.gitignore b/.gitignore
index 213415b..ba980ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,7 +14,11 @@ bazel-*
 *.egg-info/
 
 # Sphinx build output
-_build
 
-# Auto-generated by score_sphinx_bundle
+# docs-as-code build artifacts
+# Please don't edit locally; repo_policy_sync keeps this block in sync from score_tools.
+_build/
 ubproject.toml
+# end docs-as-code build artifacts
+
+# Auto-generated by score_sphinx_bundle