diff --git a/free-programming-books.md b/free-programming-books.md
index 0b32f7740ffa69387ef616e173b5c7c5e6e0d788..e043219359162c8a356cd868cf88db8f29bcceb1 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1701,9 +1701,9 @@ See also [LaTeX](#latex)
 
 
 ###VHDL
-*[VHDL Tutorial](http://www.seas.upenn.edu/~ese171/vhdl/vhdl_primer.html)
-*[VHDL Tutorial](http://hep.uchicago.edu/~tangjian/SVT_sub/FTK_ATLAS/AUX/vhdl-tutorial.pdf) - Peter J. Ashenden
-*[VHDL Tutorial: Learn By Example](http://esd.cs.ucr.edu/labs/tutorial/)
+* [VHDL Tutorial](http://www.seas.upenn.edu/~ese171/vhdl/vhdl_primer.html)
+* [VHDL Tutorial](http://hep.uchicago.edu/~tangjian/SVT_sub/FTK_ATLAS/AUX/vhdl-tutorial.pdf) - Peter J. Ashenden
+* [VHDL Tutorial: Learn By Example](http://esd.cs.ucr.edu/labs/tutorial/)
 
 
 ###Vim