diff --git a/releases/3.1/schedule.md b/releases/3.1/schedule.md
index 9768b839..7bc134f3 100644
--- a/releases/3.1/schedule.md
+++ b/releases/3.1/schedule.md
@@ -9,6 +9,8 @@ redirect_from:
 Qubes R3.1 Release Schedule
 ===========================
 
+This schedule is based on [Version Scheme](/doc/version-scheme/#tocAnchor-1-1-3).
+
 <style>
 article td, article th {
     border-width: 2px;