diff --git a/.gitignore b/.gitignore
index 45bbaad2..93a15a4b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -48,3 +48,6 @@ sql_login.txt
 
 # OPC UA certificate store (runtime PKI: own/trusted/issued/rejected certs + keys)
 src/Server/ZB.MOM.WW.OtOpcUa.Host/pki/
+
+# Documentation audit scratch dir (untracked worktree)
+.docs-audit/