12 năm trước cách đây · 58a5f48018
--- a/free-programming-books-de.md
+++ b/free-programming-books-de.md
@@ -32,9 +32,9 @@
 
				 
			
 
				 * [Ruby on Rails 2](http://openbook.galileocomputing.de/ruby_on_rails/)
			
 
				 
			
 
				-###
			
 
				+###Unix
			
 
				 
			
 
				-* [Wie werde ich Unix Guru?])http://openbook.galileocomputing.de/unix_guru/)
			
 
				+* [Wie werde ich Unix Guru?](http://openbook.galileocomputing.de/unix_guru/)
			
 
				 
			
 
				 ###Visual Basic