Fix typo

How to Build Good Software was moved by
the Civil Service College of Singapore to it's
current location. Change the link to reflect this.

README.md

@@ -203,7 +203,7 @@ There are some free books available, including:
   - Pay attention on how people react to you
   - Beware of micro-aggressions
   - Keep a list of "Things I Don't Know"
-- [Signs that you're a good programmer](https://skatgame.net/mburo//courses/350/signs-that-you-re-a-good-programmer.html) (not everything is here is great - some of the points are counterproductive)
+- [Signs that you're a good programmer](https://skatgame.net/mburo//courses/350/signs-that-you-re-a-good-programmer.html) (not everything in here is great - some of the points are counterproductive)
   - The instinct to experiment first
   - Emotional detachment from code and design
   - Eager to fix what isn't broken
@@ -231,7 +231,7 @@ There are some free books available, including:
   - Having some technical debt is healthy.
   - Senior engineers must develop many skills besides programming.
   - We’re all still junior in some areas.
-- [How to Build Good Software](https://www.csc.gov.sg/articles/how-to-build-good-software)
+- [How to Build Good Software](https://knowledge.csc.gov.sg/ethos-issue-21/how-to-build-good-software/)
   - A good high-level summary of fundamental engineering practices.
   - The root cause of bad software has less to do with specific engineering choices, and more to do with how development projects are managed.
   - There is no such thing as platonically good engineering: it depends on your needs and the practical problems you encounter.
@@ -543,6 +543,7 @@ Biases don't only apply to hiring. For instance, the fundamental attribution bia
   - Be Careful About Productivity Tips
 - [Senior Engineers are Living in the Future](https://www.zerobanana.com/essays/living-in-the-future/)
 - [What would a map of your career look like?](https://tomcritchlow.com/2023/04/26/career-maps/)
+- [How to be successful at Amazon (or any other large company for that matter)](https://www.reddit.com/r/cscareerquestions/comments/4x0ugj/how_to_be_successful_at_amazon_or_any_other_large/)
 
 #### Choosing your next/first opportunity
 
@@ -1265,6 +1266,7 @@ Richard Feynman's Learning Strategy:
 - [Memory Allocation](https://samwho.dev/memory-allocation/) (an interactive article)
 - [Why does 0.1 + 0.2 = 0.30000000000000004?](https://jvns.ca/blog/2023/02/08/why-does-0-1-plus-0-2-equal-0-30000000000000004/), Julia Evans (about floating point)
 - [Putting the "You" in CPU](https://cpu.land/the-basics)
+- [x86-64 Assembly Language Programming with Ubuntu](http://www.egr.unlv.edu/~ed/assembly64.pdf)
 
 ### Machine learning/AI