diff --git a/books/free-programming-books-ko.md b/books/free-programming-books-ko.md
index 6a0fff762..1b23cdc6c 100644
--- a/books/free-programming-books-ko.md
+++ b/books/free-programming-books-ko.md
@@ -46,7 +46,7 @@
 
 ### Assembly Language
 
-* [PC Assembly Language](http://pacman128.github.io/static/pcasm-book-korean.pdf) - Paul A. Carter (PDF)
+* [PC Assembly Language](http://pacman128.github.io/static/pcasm-book-korean.pdf) - Paul A. Carter, `trl.:` 이재범 (PDF)
 
 
 ### AWK
@@ -124,7 +124,7 @@
 
 ### LaTeX
 
-* [The Not So short Introduction to LaTeX 2ε](https://ctan.org/tex-archive/info/lshort/korean)
+* [The Not So short Introduction to LaTeX 2ε](https://ctan.org/tex-archive/info/lshort/korean) - Tobias Oetiker, Hubert Partl, Irene Hyna, Elisabeth Schlegl, `trl.:` 김강수, `trl.:` 조인성 (PDF)
 
 
 ### Linux