Update pointer-contracts.mdx

fix github URL

Author: cordt-sei

pages/dev-tutorials/pointer-contracts.mdx

@@ -109,7 +109,7 @@ seid tx evm register-cw-pointer ERC20 $ERC20_TOKEN_ADDRESS --from=$SENDER --chai
 - `--node`: Points to the specific Sei node RPC URL you're connecting to for transaction submission.
 
 <Callout type="info" emoji="ℹ️">
-  To check out the source code, please visit our [GitHub page](https://github.com/sei-network).
+  To check out the source code, please visit our [GitHub page](https://github.com/sei-protocol).
 </Callout>
 
 ### For ERC721 Tokens