From 70726e1739842dc48a03ba309e26de491ef43eb8 Mon Sep 17 00:00:00 2001
From: Aaqil Yousuf <118057216+Aaqilyousuf@users.noreply.github.com>
Date: Wed, 8 Oct 2025 07:38:09 +0530
Subject: [PATCH] Add license (CC BY-SA) for Learning Algorithm (#12304)

---
 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 fa30f8655..845e6b3c5 100644
--- a/books/free-programming-books-subjects.md
+++ b/books/free-programming-books-subjects.md
@@ -115,7 +115,7 @@ Books that cover a specific programming language can be found in the [BY PROGRAM
 * [Elementary Algorithms](https://github.com/liuxinyu95/AlgoXY) - Larry Liu Xinyu (PDF)
 * [Essential Algorithms](https://www.programming-books.io/essential/algorithms/) - Krzysztof Kowalczyk and  Stack Overflow Documentation project (HTML)
 * [Foundations of Computer Science](http://infolab.stanford.edu/~ullman/focs.html) - Al Aho, Jeff Ullman
-* [Learning Algorithm](https://riptutorial.com/Download/algorithm.pdf) - Compiled from StackOverflow documentation (PDF)
+* [Learning Algorithm](https://riptutorial.com/Download/algorithm.pdf) - Compiled from StackOverflow documentation (PDF) (CC BY-SA)
 * [Lectures Notes on Algorithm Analysis and Computational Complexity (Fourth Edition)](https://ianparberry.com/books/free/license.html) - Ian Parberry (use form at bottom of license)
 * [LEDA: A Platform for Combinatorial and Geometric Computing](https://people.mpi-inf.mpg.de/~mehlhorn/LEDAbook.html) - K. Mehlhorn, St. Näher
 * [Linked List Basics](http://cslibrary.stanford.edu/103/LinkedListBasics.pdf) - Nick Parlante (PDF)