From a7fbb0d82f819e1ba68a0bc5126af38c5f7e7249 Mon Sep 17 00:00:00 2001
From: Girdhar Agrawal <91367509+girdharagrawalbro@users.noreply.github.com>
Date: Thu, 16 Oct 2025 07:10:20 +0530
Subject: [PATCH] Fix duplicate author dash and add CC BY-NC-SA to Think
 Complexity in subjects.md (#12508)

---
 books/free-programming-books-subjects.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/books/free-programming-books-subjects.md b/books/free-programming-books-subjects.md
index b9c41df6e..282c64f22 100644
--- a/books/free-programming-books-subjects.md
+++ b/books/free-programming-books-subjects.md
@@ -833,7 +833,7 @@ Kerridge (PDF) (email address *requested*, not required)
 * [The Craft of Programming](https://kilthub.cmu.edu/articles/The_Craft_of_Programming/6610514) - John C. Reynolds
 * [The Nature of Code](https://natureofcode.com/book) - Daniel Shiffman (HTML)
 * [The Super Programmer](https://github.com/keyvank/tsp) - Keyvan Kambakhsh (PDF, HTML) *( :construction: in process)*
-* [Think Complexity](https://greenteapress.com/wp/think-complexity-2e/) - - Allen B. Downey (2nd Edition) (PDF, HTML)
+* [Think Complexity](https://greenteapress.com/wp/think-complexity-2e/) - Allen B. Downey (2nd Edition) (PDF, HTML) (CC BY-NC-SA)
 
 
 ### Programming Paradigms