diff --git a/books/free-programming-books-ja.md b/books/free-programming-books-ja.md
index 6a08e8df1..08db24ab7 100644
--- a/books/free-programming-books-ja.md
+++ b/books/free-programming-books-ja.md
@@ -333,6 +333,7 @@
 
 ### Erlang
 
+* [Learn you some Erlang for great good!](https://www.ymotongpoo.com/works/lyse-ja/) - Fred Hebert, Yoshifumi Yamaguchi (HTML)
 * [お気楽 Erlang プログラミング入門](http://www.nct9.ne.jp/m_hiroi/func/erlang.html) - 広井誠
 
 
diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index bbef7d00b..3720c10fe 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -702,7 +702,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [Erlang Handbook](https://github.com/esl/erlang-handbook/raw/master/output/ErlangHandbook.pdf) (PDF)
 * [Erlang Programming](https://en.wikibooks.org/wiki/Erlang_Programming) - Wikibooks (HTML)
 * [Getting Started with Erlang User's Guide](http://www.erlang.org/doc/getting_started/users_guide.html) (HTML)
-* [Learn You Some Erlang For Great Good](http://learnyousomeerlang.com) - Frederic Trottier-Hebert
+* [Learn You Some Erlang For Great Good](http://learnyousomeerlang.com) - Fred Hebert (HTML)
 * [Making reliable distributed systems in the presence of software errors](http://www.erlang.org/download/armstrong_thesis_2003.pdf) - Joe Armstrong (PDF)
 * [Stuff Goes Bad: Erlang in Anger](https://www.erlang-in-anger.com) - Fred Herbert (PDF)
 * [The BEAM Book](https://blog.stenmans.org/theBeamBook) (HTML)