diff --git a/Theory/README.md b/Theory/README.md
index 4e1bdfb..7374a88 100644
--- a/Theory/README.md
+++ b/Theory/README.md
@@ -1,6 +1,6 @@
 # Theory
 
-This chapter describes various concepts which are used in the Linux kernel.
+This chapter describes various theoretical concepts and concepts which are not directly related to practice but useful to know.
 
 * [Paging](http://0xax.gitbooks.io/linux-insides/content/Theory/Paging.html)
 * [Elf64 format](http://0xax.gitbooks.io/linux-insides/content/Theory/ELF.html)