Merge #1286: doc, example(bdk): fix derivation path in mnemonic_to_descriptors

d494f63 doc, example(bdk): fix derivation path in mnemonic_to_descriptors (vmammal)

Pull request description:

  This will help avoid confusion with mainnet descriptors.

  ### Checklists

  #### All Submissions:

  * [x] I've signed all my commits
  * [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)
  * [x] I ran `cargo fmt` and `cargo clippy` before committing

ACKs for top commit:
  danielabrozzoni:
    ACK d494f63

Tree-SHA512: f0450d171bc53085204280495f2954e20f4b64a73cfbcc9a0c3be131c0b04ad53e936c83fa83c89fbd1ed1c4edd680e8437550453f75056049d36f84cae1df43

Author: danielabrozzoni

crates/bdk/examples/mnemonic_to_descriptors.rs

@@ -33,8 +33,8 @@ fn main() -> Result<(), anyhow::Error> {
     let mnemonic_with_passphrase = (mnemonic, None);
 
     // define external and internal derivation key path
-    let external_path = DerivationPath::from_str("m/86h/0h/0h/0").unwrap();
-    let internal_path = DerivationPath::from_str("m/86h/0h/0h/1").unwrap();
+    let external_path = DerivationPath::from_str("m/86h/1h/0h/0").unwrap();
+    let internal_path = DerivationPath::from_str("m/86h/1h/0h/1").unwrap();
 
     // generate external and internal descriptor from mnemonic
     let (external_descriptor, ext_keymap) =