diff --git a/content/courses/intro-to-solana/getting-started.md b/content/courses/intro-to-solana/getting-started.md
index d2e5e3a73..15565d26c 100644
--- a/content/courses/intro-to-solana/getting-started.md
+++ b/content/courses/intro-to-solana/getting-started.md
@@ -8,7 +8,7 @@ objectives:
 description: "Understand what web3, blockchains, and Solana are."
 ---
 
-## Welcome!
+## Welcome
 
 Welcome to the best starting point for developers looking to learn web3 and
 blockchain!
diff --git a/content/courses/intro-to-solana/intro-to-cryptography.md b/content/courses/intro-to-solana/intro-to-cryptography.md
index 6f1c3d83b..396e3032a 100644
--- a/content/courses/intro-to-solana/intro-to-cryptography.md
+++ b/content/courses/intro-to-solana/intro-to-cryptography.md
@@ -20,6 +20,9 @@ description: "Understand asymmetric cryptography and how Solana uses it."
 
 ## Lesson
 
+In this lesson, we will explore the basics of cryptography and how it's applied
+within the Solana ecosystem.
+
 ### Symmetric and Asymmetric Cryptography
 
 'Cryptography' the study of hiding information. There are two main types of
@@ -157,6 +160,9 @@ You know how to make and load keypairs! Let's practice what we've learned.
 
 ## Lab
 
+In this lab we will learn about keypairs, and how to store secret keys securely
+on solana
+
 ### Installation
 
 Make a new directory, install TypeScript, Solana web3.js and esrun:
diff --git a/content/courses/intro-to-solana/intro-to-writing-data.md b/content/courses/intro-to-solana/intro-to-writing-data.md
index deede360e..3bff43d78 100644
--- a/content/courses/intro-to-solana/intro-to-writing-data.md
+++ b/content/courses/intro-to-solana/intro-to-writing-data.md
@@ -235,7 +235,7 @@ console.log(
 console.log(`Transaction signature is ${signature}!`);
 ```
 
-### Experiment!
+### Experiment
 
 Send SOL to other students in the class.