Fix the lecture name.

Author: janpgit

README.md

@@ -1,8 +1,8 @@
 Build status: [![Build Status](https://travis-ci.org/devnull-cz/unix-linux-prog-in-c.svg?branch=master)](https://travis-ci.org/devnull-cz/unix-linux-prog-in-c)
 
-This project contains source code for the material that is used to lecture "Unix
-Programming in C" (NSWI015) class at the Faculty of Mathematics and Physics,
-Charles University in Prague.
+This project contains source code for the material that is used to lecture
+"Unix/Linux Programming in C" (NSWI015) class at the Faculty of Mathematics and
+Physics, Charles University in Prague.
 
 It is written in LaTeX.  See the `Makefile` on how to build the PDF document.