diff --git a/docs/changelog b/docs/changelog
index 0a6a4986..68e040e4 100644
--- a/docs/changelog
+++ b/docs/changelog
@@ -6,6 +6,7 @@ Changelog
 
 
 3.1.2:
+	* Documentation: Add missing environment variables to reference
 	* Type __qemu_img: size is optional, if state is not present
 	* Type __key_value: Rewrite using awk (Daniel Heule)
 	* New Type: __dog_vdi