Update develop/smart-contracts/precompiles/xcm-precompile.md

Co-authored-by: Nicolás Hussein <[email protected]>

Author: franciscoaguirre

develop/smart-contracts/precompiles/xcm-precompile.md

@@ -85,7 +85,7 @@ The function returns a `Weight` struct containing `refTime` and `proofSize` valu
 ![](/images/develop/smart-contracts/precompiles/xcm-precompile/xcm-precompile-05.webp)
 
 !!!note
-    You can find many more examples of XCMs in this [gist](https://gist.github.com/franciscoaguirre/a6dea0c55e81faba65bedf700033a1a2){target=\_blank} which connects to the Polkadot Hub testnet.
+    You can find many more examples of XCMs in this [gist](https://gist.github.com/franciscoaguirre/a6dea0c55e81faba65bedf700033a1a2){target=\_blank} which connects to the Polkadot Hub TestNet.
 
 ### Execute a Message