diff --git a/README.md b/README.md
index c00e536..aba048c 100644
--- a/README.md
+++ b/README.md
@@ -335,7 +335,7 @@ Courses | Duration | Effort | Prerequisites
 :-- | :--: | :--: | :--:
 [Electricity and Magnetism, Part 1](https://www.edx.org/course/electricity-magnetism-part-1-ricex-phys102-1x-0)<sup>1</sup> | 7 weeks | 8-10 hours/week | calculus, basic mechanics
 [Electricity and Magnetism, Part 2](https://www.edx.org/course/electricity-magnetism-part-2-ricex-phys102-2x-0) | 7 weeks | 8-10 hours/week | Electricity and Magnetism, Part 1
-[Computation Structures 1: Digital Circuits](https://www.edx.org/course/computation-structures-part-1-digital-mitx-6-004-1x-0)<sup>2</sup> | 10 weeks | 6 hours/week | electricity, magnetism
+[Computation Structures 1: Digital Circuits](https://www.edx.org/course/computation-structures-part-1-digital-mitx-6-004-1x-0) | 10 weeks | 6 hours/week | electricity, magnetism
 [Computation Structures 2: Computer Architecture](https://www.edx.org/course/computation-structures-2-computer-mitx-6-004-2x) | 10 weeks | 6 hours/week | Computation Structures 1
 [Computation Structures 3: Computer Organization](https://www.edx.org/course/computation-structures-3-computer-mitx-6-004-3x-0) | 10 weeks | 6 hours/week | Computation Structures 2
 [ops-class.org - Hack the Kernel](https://www.ops-class.org/) | 15 weeks | 6 hours/week | algorithms
@@ -345,10 +345,6 @@ These courses assume knowledge of basic physics;
 if you are struggling, you can find a physics MOOC or utilize the materials from Khan Academy:
 [Khan Academy - Physics](https://www.khanacademy.org/science/physics)
 
-**<sup>2</sup> Note**:
-A shorter, less intense (but still very advanced) alternative to Computation Structures is here:
-[Computer Architecture](https://www.coursera.org/learn/comparch)
-
 ### Advanced theory
 
 **Topics covered**:
diff --git a/extras/courses.md b/extras/courses.md
index e1b52a8..fc0645f 100644
--- a/extras/courses.md
+++ b/extras/courses.md
@@ -31,6 +31,7 @@ Courses | Duration | Effort
 
 Courses | Duration | Effort
 :-- | :--: | :--:
+[Computer Architecture](https://www.coursera.org/learn/comparch) | - | 5-8 hours/week
 [Operating System Engineering](http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-828-operating-system-engineering-fall-2012/) | - | -
 [Introduction to Operating Systems](https://www.udacity.com/course/introduction-to-operating-systems--ud923)| 8 weeks | 5-8 hours/week
 [Advanced Operating Systems](https://www.udacity.com/course/advanced-operating-systems--ud189)| 5 weeks | 5-8 hours/week