diff --git a/.gitignore b/.gitignore
index 1de40f62..1b8c56b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,8 +45,12 @@ rust-project.json
 .ruff_cache
 
 # docs:incremental and docs:ide_support build artifacts
-_build
+
+# 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
 
 # Vale - editorial style guide
 .vale.ini