diff --git a/README.md b/README.md
index d451214..11ee535 100644
--- a/README.md
+++ b/README.md
@@ -118,6 +118,7 @@ An updated and organized reading list for illustrating the patterns of scalable,
 	* [Kubernetes at Quora](https://www.quora.com/q/quoraengineering/Adopting-Kubernetes-at-Quora)	
 	* [Kubernetes Platform at Pinterest](https://medium.com/pinterest-engineering/building-a-kubernetes-platform-at-pinterest-fb3d9571c948)
 	* [Microservices at Nubank](https://medium.com/building-nubank/microservices-at-nubank-an-overview-2ebcb336c64d)
+	* [Payment Transaction Management in Microservices at Mercari](https://engineering.mercari.com/en/blog/entry/20210831-2019-06-07-155849/)
 	* [GRIT: Protocol for Distributed Transactions across Microservices at eBay](https://tech.ebayinc.com/engineering/grit-a-protocol-for-distributed-transactions-across-microservices/)
 	* [Rubix: Kubernetes at Palantir](https://medium.com/palantir/introducing-rubix-kubernetes-at-palantir-ab0ce16ea42e)
 * [Distributed Caching](https://www.wix.engineering/post/scaling-to-100m-to-cache-or-not-to-cache)
@@ -394,7 +395,7 @@ An updated and organized reading list for illustrating the patterns of scalable,
 		* [Sharding MySQL at Quora](https://www.quora.com/q/quoraengineering/MySQL-sharding-at-Quora)
 		* [Sharding Layer of Schemaless Datastore at Uber](https://eng.uber.com/schemaless-rewrite/)
 		* [Sharding & IDs at Instagram](https://instagram-engineering.com/sharding-ids-at-instagram-1cf5a71e5a5c)
-		* [Sharding Postgres at notion](https://www.notion.so/blog/sharding-postgres-at-notion)
+		* [Sharding Postgres at Notion](https://www.notion.so/blog/sharding-postgres-at-notion)
 		* [Solr: Improving Performance for Batch Indexing at Box](https://blog.box.com/blog/solr-improving-performance-batch-indexing/)	
 		* [Geosharded Recommendations (3 parts) at Tinder](https://medium.com/tinder-engineering/geosharded-recommendations-part-3-consistency-2d2cb2f0594b)
 		* [Scaling Services with Shard Manager at Facebook](https://engineering.fb.com/production-engineering/scaling-services-with-shard-manager/)