diff --git a/README.md b/README.md
index 46d6bdb..f21d3d0 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,7 @@ An updated and curated list of selected readings to illustrate best practices in
 * [Blocking/Non-Blocking and Sync/Async](https://blogs.msdn.microsoft.com/csliu/2009/08/27/io-concept-blockingnon-blocking-vs-syncasync/)
 * [Performance and Scalability of Databases](https://use-the-index-luke.com/sql/testing-scalability)
 * [Database Isolation Levels and Effects on Performance and Scalability](http://highscalability.com/blog/2011/2/10/database-isolation-levels-and-their-effects-on-performance-a.html)
+* [The Probability of Data Loss in Large Clusters](https://martin.kleppmann.com/2017/01/26/data-loss-in-large-clusters.html)
 * [SQL vs NoSQL](https://www.upwork.com/hiring/data/sql-vs-nosql-databases-whats-the-difference/)
 * [SQL vs NoSQL - Lesson Learned from Salesforce](https://engineering.salesforce.com/sql-or-nosql-9eaf1d92545b)
 * [How Sharding Works](https://medium.com/@jeeyoungk/how-sharding-works-b4dec46b3f6)
@@ -540,7 +541,7 @@ An updated and curated list of selected readings to illustrate best practices in
 	* [Top 10 System Design Interview Questions ](https://hackernoon.com/top-10-system-design-interview-questions-for-software-engineers-8561290f0444)
 	* [Top 10 Common Large-Scale Software Architectural Patterns in a Nutshell](https://towardsdatascience.com/10-common-software-architectural-patterns-in-a-nutshell-a0b47a1e9013)
 	* [How NOT to design Netflix in your 45-minute System Design Interview?](https://hackernoon.com/how-not-to-design-netflix-in-your-45-minute-system-design-interview-64953391a054)
-* [Explaining Low-Level Systems (OS, Network, Storage, etc)](https://www.palantir.com/how-to-ace-a-systems-design-interview/)	
+* [Explaining Low-Level Systems (OS, Network/Protocol, Storage, etc)](https://www.palantir.com/how-to-ace-a-systems-design-interview/)	
 	* [OSI and TCP/IP Cheat Sheet (Short but Sweet)](http://jaredheinrichs.com/mastering-the-osi-tcpip-models.html)
 	* [The Precise Meaning of I/O Wait Time in Linux](http://veithen.github.io/2013/11/18/iowait-linux.html)
 	* [Paxos Made Live – An Engineering Perspective](https://research.google.com/archive/paxos_made_live.html)