diff --git a/README.md b/README.md
index 7e23157..c4391e3 100644
--- a/README.md
+++ b/README.md
@@ -8,12 +8,14 @@ eduOS is a Unix-like computer operating system based on a monolithic architectur
 It is derived from following tutorials and software distributions.
  
 1. bkerndev - Bran's Kernel Development Tutorial
+
    The first steps to realize eduOS based on Bran's Kernel Development 
    Tutorial (http://www.osdever.net/tutorials/view/brans-kernel-development-tutorial).
    In particular, the initialization of GDT, IDT and the interrupt handlers are derived
    from this tutorial.
 
 2. kprintf, umoddu3, udivdi3, qdivrem, divdi3, lshrdi3, moddi3, strtol, strtoul, ucmpdi2
+
    This software contains code derived from material licensed
    to the University of California by American Telephone and Telegraph
    Co. or Unix System Laboratories, Inc. and are reproduced herein with