From e09e5f86ad591ac8191b8509e6f7b95bc274ab64 Mon Sep 17 00:00:00 2001
From: Jay Engineer <jayengineer6@gmail.com>
Date: Sun, 30 Mar 2014 06:38:15 -0400
Subject: [PATCH 1/3] added think complexity pdf

---
 free-programming-books.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/free-programming-books.md b/free-programming-books.md
index f2ef2167b..46469dbff 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -237,6 +237,7 @@
 * [The Art of Computer Programming](http://www.cs.utsa.edu/~wagner/knuth/) (fascicles, mostly volume 4) - Donald Knuth
 * [The Design of Approximation Algorithms](http://www.designofapproxalgs.com/book.pdf) (PDF)
 * [The Great Tree List Recursion Problem](http://cslibrary.stanford.edu/109/TreeListRecursion.pdf) (PDF)
+* [Think Complexity](http://greenteapress.com/complexity/) (PDF)
 
 
 ####Cellular Automata

From 4216abf62c88546e3125b79944ea90dc332e2bb3 Mon Sep 17 00:00:00 2001
From: Jay Engineer <jayengineer6@gmail.com>
Date: Sun, 30 Mar 2014 19:03:45 -0400
Subject: [PATCH 2/3] added mit's database course

---
 free-courses-en.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/free-courses-en.md b/free-courses-en.md
index f1bb81b40..c31e1e0ff 100644
--- a/free-courses-en.md
+++ b/free-courses-en.md
@@ -6,6 +6,7 @@
 * [Ruby](#ruby)
 
 ###Databases
+* [Database Systems](http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-830-database-systems-fall-2010/)
 * [Introduction to Databases](https://class.stanford.edu/courses/Engineering/db/2014_1/about) (Stanford Univesity)
 
 ###HTML / CSS

From 7ba8d8ba9ab85199a66939163b7aa29736e4b5ef Mon Sep 17 00:00:00 2001
From: Jay Engineer <jayengineer6@gmail.com>
Date: Sun, 30 Mar 2014 19:05:20 -0400
Subject: [PATCH 3/3] typo

---
 free-courses-en.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/free-courses-en.md b/free-courses-en.md
index c31e1e0ff..b4f0e2c97 100644
--- a/free-courses-en.md
+++ b/free-courses-en.md
@@ -6,8 +6,8 @@
 * [Ruby](#ruby)
 
 ###Databases
-* [Database Systems](http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-830-database-systems-fall-2010/)
-* [Introduction to Databases](https://class.stanford.edu/courses/Engineering/db/2014_1/about) (Stanford Univesity)
+* [Database Systems](http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-830-database-systems-fall-2010/) (MIT's opencourseware)
+* [Introduction to Databases](https://class.stanford.edu/courses/Engineering/db/2014_1/about) (Stanford University)
 
 ###HTML / CSS
 * [Code a personal splash page in 1 hour: A Hands-on Intro to HTML & CSS](http://www.thefirehoseproject.com/lessons/splash-page)