diff --git a/build/building/env-vars.md b/build/building/env-vars.md
index 78cbc7ff54..35d750866c 100644
--- a/build/building/env-vars.md
+++ b/build/building/env-vars.md
@@ -183,7 +183,7 @@ attestations.
 Usage:
 
 ```console
-$ export BUILDX_NO_DEFAULT_ATTESTATION=1
+$ export BUILDX_NO_DEFAULT_ATTESTATIONS=1
 ```
 
 ## BUILDX_NO_DEFAULT_LOAD