diff --git a/src/data/roadmaps/system-design/content/105-availability-patterns/101-replication.md b/src/data/roadmaps/system-design/content/105-availability-patterns/101-replication.md
index 629760803..de6872424 100644
--- a/src/data/roadmaps/system-design/content/105-availability-patterns/101-replication.md
+++ b/src/data/roadmaps/system-design/content/105-availability-patterns/101-replication.md
@@ -6,6 +6,6 @@ Replication is an availability pattern that involves having multiple copies of t
 
 - **Master-Slave replication:** In this type of replication, one server is designated as the "master" and handles all write operations, while multiple "slave" servers handle read operations. If the master fails, one of the slaves can be promoted to take its place. This type of replication is simpler to set up and maintain compared to Master-Master replication.
 
-Visi the following links for more resources:
+Visit the following links for more resources:
 
 - [Replication: Availability Pattern](https://github.com/donnemartin/system-design-primer#replication)
diff --git a/src/data/roadmaps/system-design/content/108-content-delivery-networks/index.md b/src/data/roadmaps/system-design/content/108-content-delivery-networks/index.md
index f1df38c8a..ebb943fde 100644
--- a/src/data/roadmaps/system-design/content/108-content-delivery-networks/index.md
+++ b/src/data/roadmaps/system-design/content/108-content-delivery-networks/index.md
@@ -11,4 +11,4 @@ Learn more about CDNs from the following links:
 
 - [Introduction to CDNs](https://github.com/donnemartin/system-design-primer#content-delivery-network)
 - [The Differences Between Push And Pull CDNs](http://www.travelblogadvice.com/technical/the-differences-between-push-and-pull-cdns/)
-- [Brief aout Content delivery network](https://en.wikipedia.org/wiki/Content_delivery_network)
+- [Brief about Content delivery network](https://en.wikipedia.org/wiki/Content_delivery_network)