add link for pda

README.md

@@ -31,14 +31,15 @@
 
 <br>
 
-* **[1. Hello World](demos/01_hello_world)**
-* **[2. Anchor and CPI](demos/03_anchor)**
-* **[4. Solidity vs. Solana](demos/04_sol_vs_sol)**
-* **[5. Rust, Structs, Custom Derive Macros](demos/05_rust)**
-* **[6. Block Variables, Sysvars](demos/06_blocks)**
-* **[7. Logs, Events, Transactions](demos/07_logs_events_txs)**
-* **[8. Transaction Fees and Compute Units](demos/08_transactions)**
-* **[9. Accounts and Storage](demos/09_accounts_and_storage)**
+* **[Demo 1: Hello World](demos/01_hello_world)**
+* **[Demo 2. Anchor and CPI](demos/02_anchor_cpi)**
+* **[Demo 3. Anchor and PDA](demos/03_anchor_pda)**
+* **[Demo 4. Solidity vs. Solana](demos/04_sol_vs_sol)**
+* **[Demo 5. Rust, Structs, Custom Derive Macros](demos/05_rust)**
+* **[Demo 6. Block Variables, Sysvars](demos/06_blocks)**
+* **[Demo 7. Logs, Events, Transactions](demos/07_logs_events_txs)**
+* **[Demo 8. Transaction Fees and Compute Units](demos/08_transactions)**
+* **[Demo 9. Accounts and Storage](demos/09_accounts_and_storage)**
 
 
 <br>

chapters/03_anchor.md

@@ -203,7 +203,16 @@ anchor init <workspace-name>
 
 <br>
 
-* Learn how cross-program-instructions work on Anchor through our [demo 2](https://github.com/urani-labs/solana-dev-onboarding-rs/tree/main/demos/02_anchor_cpi).
+#### CPI
+
+* Learn how cross-program-instructions work on Anchor through [demo 2](https://github.com/urani-labs/solana-dev-onboarding-rs/tree/main/demos/02_anchor_cpi).
+
+
+<br>
+
+#### PDA
+
+* Learn how program-derived-addresses work on Anchor through [demo 3](https://github.com/urani-labs/solana-dev-onboarding-rs/tree/main/demos/03_anchor_pda).
 
 
 <br>

chapters/07_additional_resources.md

@@ -1,4 +1,4 @@
-# 🛹 Additional Reso
+# 🛹 Additional Resources
 
 <br>