add link for pda

urani-trade · Mar 27, 2024 · 55131ad · 55131ad
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diff --git a/chapters/03_anchor.md b/chapters/03_anchor.md
@@ -205,7 +205,7 @@ anchor init <workspace-name>
 
 #### 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).
+* 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>

diff --git a/demos/02_anchor_cpi/README.md b/demos/02_anchor_cpi/README.md
@@ -274,3 +274,12 @@ impl<'info> PullStrings<'info> {
 }
 ```
 
+<br>
+
+---
+
+### References
+
+<br>
+
+* [Cross-program instructions, by Anchor](https://www.anchor-lang.com/docs/cross-program-invocations)