From 2a9d4fcf48b872aef1343f71dfddf44946fd8eb5 Mon Sep 17 00:00:00 2001
From: stuebinm
Date: Tue, 14 Jun 2022 00:01:32 +0200
Subject: add CC licence into book itself

---
 gtfs-book/ch-00-definitive-guide-to-gtfs.md                   | 5 +++++
 gtfs-realtime-book/ch-00-definitive-guide-to-gtfs-realtime.md | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/gtfs-book/ch-00-definitive-guide-to-gtfs.md b/gtfs-book/ch-00-definitive-guide-to-gtfs.md
index 2c32c67..9248091 100644
--- a/gtfs-book/ch-00-definitive-guide-to-gtfs.md
+++ b/gtfs-book/ch-00-definitive-guide-to-gtfs.md
@@ -53,3 +53,8 @@ this work, the author shall not be liable to any person or entity with
 respect to any loss or damage caused or alleged to be caused directly or
 indirectly by the information contained in this book.
 
+**Note**
+
+This work is licensed under the [Creative Commons Attribution 4.0 International License](https://creativecommons.org/licenses/by/4.0/),
+and was published at https://github.com/MobilityData/GTFS-books.
+
diff --git a/gtfs-realtime-book/ch-00-definitive-guide-to-gtfs-realtime.md b/gtfs-realtime-book/ch-00-definitive-guide-to-gtfs-realtime.md
index 0184448..ecef75c 100644
--- a/gtfs-realtime-book/ch-00-definitive-guide-to-gtfs-realtime.md
+++ b/gtfs-realtime-book/ch-00-definitive-guide-to-gtfs-realtime.md
@@ -56,3 +56,7 @@ this work, the author shall not be liable to any person or entity with
 respect to any loss or damage caused or alleged to be caused directly or
 indirectly by the information contained in this book.
 
+**Note**
+
+This work is licensed under the [Creative Commons Attribution 4.0 International License](https://creativecommons.org/licenses/by/4.0/), 
+and was published at https://github.com/MobilityData/GTFS-books.
-- 
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