diff --git a/website/source/docs/other/environmental-variables.html.md b/website/source/docs/other/environmental-variables.html.md
index 9d2e5fa80..23a00ddcb 100644
--- a/website/source/docs/other/environmental-variables.html.md
+++ b/website/source/docs/other/environmental-variables.html.md
@@ -296,6 +296,11 @@ jailbreak by setting `VAGRANT_SKIP_SUBPROCESS_JAILBREAK`.
 
 Vagrant will append the contents of this variable to the default user agent header.
 
+## `VAGRANT_USE_VAGRANT_ALPINE`
+
+Vagrant will not display the warning about disabling the core Alpine Linux guest
+plugin if the community plugin is installed.
+
 ## `VAGRANT_USE_VAGRANT_TRIGGERS`
 
 Vagrant will not display the warning about disabling the core trigger feature if