diff --git a/book/credits.md b/book/credits.md
index 8008d04..abc7297 100644
--- a/book/credits.md
+++ b/book/credits.md
@@ -24,10 +24,10 @@ This manual is [CC BY 4.0 licensed](https://creativecommons.org/licenses/by/4.0/
 Parts of this book are taken from other external resources and reused in various ways. If an author is not listed on a particular page, it is by the Authors, except as follows:
 
 The following pages are included directly from an external resource and is not edited by `<Editor>`:
-- page [](). Original content licensed under CC BY 4.0 License
+- pages [](./exercises.md), [](./exercises/002.md), [](./exercises/003.md), [](./exercises/004.md), [](./exercises/005.md), [](./exercises/006.md), [](./exercises/summary.md) includes text from {cite:t}`template`. Original content licensed under CC BY 4.0 License
 
 The following pages contain content written by others, part of has been reused and/or modified by `<Editor>`
-- Page []() include text from {cite:t}`jason_moore`. Original content licensed under CC BY. 
+- Page [](./exercises/001.md) includes text from {cite:t}`template` and is added to be made TU Delft-specific. Original content licensed under CC BY 4.0 License. 
 
 
 (editor)=