From f2f08ffee262e68a33d732ee372e0f849488742e Mon Sep 17 00:00:00 2001
From: Margaret Hu <70117942+margaret-hu@users.noreply.github.com>
Date: Tue, 4 Nov 2025 12:55:01 -0800
Subject: [PATCH] Added info to two books in Forth section (#12991)

---
 books/free-programming-books-langs.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index c3d4fafb4..94d72d082 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -792,8 +792,8 @@ Books on general-purpose programming that don't focus on a specific language are
 * [Easy Forth](https://skilldrick.github.io/easyforth/) - Nick Morgan (HTML)
 * [Forth Guide](https://web.archive.org/web/20110412231747/http://theforthsource.com/guide.html) - Glen B. Haydon (HTML) *( :card_file_box: archived)*
 * [Starting Forth](http://home.iae.nl/users/mhx/sf.html)
-* [Thinking Forth](http://thinking-forth.sourceforge.net)
-* [Thoughtful Programming and Forth](http://www.ultratechnology.com/forth.htm)
+* [Thinking Forth](http://thinking-forth.sourceforge.net) - Leo Brodie (HTML) (CC BY-NC-SA)
+* [Thoughtful Programming and Forth](http://www.ultratechnology.com/forth.htm) - Jeff Fox (HTML)
 
 
 ### Fortran