From 86361bfbd8a4720a2f4588ea44127b8653d93d4f Mon Sep 17 00:00:00 2001
From: Derek Troy-West <derek@factorhouse.io>
Date: Fri, 3 Oct 2025 10:25:50 +1000
Subject: [PATCH] update-readme

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 00b7db7..ca18af8 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,10 @@ Cronut supports **in-memory** scheduling of jobs within a single JVM. JDBC and d
 
 A quartz `scheduler` runs a `job` on a schedule defined by a `trigger`.
 
+A `job` or `trigger` is uniquely identified by a `key` consisting of a `name` and (optional) `group`.
+
+A `job` can have multiple `triggers`, a `trigger` is for a single `job` only.
+
 ## Scheduler
 
 Cronut provides access to the Quartz Scheduler, exposed via the `cronut/scheduler` function.