diff --git a/_vale/config/vocabularies/Docker/accept.txt b/_vale/config/vocabularies/Docker/accept.txt
index d4c7fa9541..35a06b4664 100644
--- a/_vale/config/vocabularies/Docker/accept.txt
+++ b/_vale/config/vocabularies/Docker/accept.txt
@@ -11,6 +11,7 @@ Artifactory
 Autobuild
 Autotest
 Azure
+Btrfs
 BuildKit
 BusyBox
 CISA