Refine prerequisites formatting in deployment guide

Updated the prerequisites section for clarity and formatting.

Author: poaspergillus

guides/ops/self-hosted-deployment.mdx

@@ -10,13 +10,12 @@ This guide walks you through a full self‑hosted deployment of the Wraith
 protocol on Futurenet. By the end, you’ll have all four core contracts
 deployed, wired, and verified — ready for your own applications.
 
-## Prerequisites
+Prerequisites
 
-Tool Version Check
-Rust ≥ 1.78 rustc --version
-wasm32 target any `rustup target list --installed
-stellar‑cli ≥ 22.0.1 stellar --version
-Funded Stellar keypair – stellar account show <address> --network futurenet
+· Rust ≥ 1.78 (rustc --version)
+· wasm32 target installed (rustup target list --installed | grep wasm32-unknown-unknown)
+· stellar‑cli ≥ 22.0.1 (stellar --version)
+· Funded Stellar keypair on Futurenet (stellar account show <address> --network futurenet)
 
 Install the wasm target if missing: