docs: fix indentation

Signed-off-by: David Dal Busco <david.dalbusco@outlook.com>

Author: peterpeterparker

docs/examples/functions/rust/canister-calls.mdx

@@ -254,7 +254,10 @@ import ProposalsNetwork from "./components/proposals-network.md";
 
 import References from "./components/references.md";
 
-<References />* [icrc-ledger-types](https://docs.rs/icrc-ledger-types): Types
-for interacting with the ICRC ledger standard. *
-[ic-cdk](https://docs.rs/ic-cdk): Internet Computer canister development kit for
-Rust.
+<References />
+
+- [icrc-ledger-types](https://docs.rs/icrc-ledger-types): Types
+  for interacting with the ICRC ledger standard.
+
+- [ic-cdk](https://docs.rs/ic-cdk): Internet Computer canister development kit for
+  Rust.