diff --git a/.github/vale/Vocab/Backstage/accept.txt b/.github/vale/Vocab/Backstage/accept.txt
index e6c0aa9632..1a028d1387 100644
--- a/.github/vale/Vocab/Backstage/accept.txt
+++ b/.github/vale/Vocab/Backstage/accept.txt
@@ -455,3 +455,4 @@ Pulumi
 Lightsail
 PR
 rebasing
+lookbehind