diff --git a/src/services/uuid.ts b/src/services/uuid.ts
index 7bf7b44..238d864 100644
--- a/src/services/uuid.ts
+++ b/src/services/uuid.ts
@@ -7,6 +7,11 @@ const a = 0x61;
 const i = 0x69;
 const nice = 0x45;
 
+/**
+ * This UUID is dependant on 100-nanosecond intervals since 15 October 1582.
+ * It wraps in 3400 AD.
+ * see RFC 4122 4.2.1.
+ */
 export function uuid(): string {
   return uuidv1({
     node: [R, e, n, a, i, nice],