chore: minor migration guide fixes (#4118)

Author: BigLep

docs/upgrading/v0.62-v0.63.md

@@ -14,7 +14,7 @@
 
 The biggest change to `[email protected]` is that the module is now [ESM-only](https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c).
 
-ESM is the module system for JavaScript, it allows us to structure our code in separate files without polluting a global namespace.
+ESM is the module system for JavaScript.  It allows us to structure our code in separate files without polluting a global namespace.
 
 Other systems have tried to fill this gap, notably CommonJS, AMD, RequireJS and others, but ESM is [the official standard format](https://tc39.es/ecma262/#sec-modules) to package JavaScript code for reuse.
 
@@ -34,11 +34,11 @@ async function loadIpfs () {
 }
 ```
 
-## [email protected]
+## `[email protected]`
 
 `[email protected]` upgrades to `[email protected]`.  This is a significant refactor that ports the entire stack to TypeScript and publishes all modules as ESM-only code.
 
-Please see the [libp2p 0.37.x` upgrade guide](https://github.com/libp2p/js-libp2p/blob/master/doc/migrations/v0.36-v.037.md) for how this may affect your application.
+Please see the [libp2p 0.37.x upgrade guide](https://github.com/libp2p/js-libp2p/blob/master/doc/migrations/v0.36-v.037.md) for how this may affect your application.
 
 ## PeerIds
 
@@ -116,7 +116,7 @@ const peerId = await createEd25519PeerId()
 
 ## multiaddrs
 
-The `multiaddr` module has been ported to Typescript and is now published as ESM-only.
+The `multiaddr` module has been ported to TypeScript and is now published as ESM-only.
 
 It has been renamed to `@multiformats/multiaddr` so please update your dependencies and replace usage in your code.