Fix typos and improve formatting in JS guide

js/the-basics/dependencies.html.md

@@ -20,9 +20,9 @@ more information.
 
 If your application works locally but doesn't work when deployed this may be due to
 dependencies which are installed globally rather than being enumerated in the
-package.json file.  In order to deploy an application, it needs to be self contained.
+package.json file.  In order to deploy an application, it needs to be self-contained.
 
-You can resolve this by adding the dependency to your package.json, typically by
+You can resolve this by adding the dependency to your `package.json`, typically by
 using a command such as `yarn add` or `npm install`.
 
 ## Mis-categorized dependencies

js/the-basics/dockerfiles.html.md

@@ -7,7 +7,7 @@ order: 0
 
 The recommended way to deploy Bun, Deno, and Node.js applications is via
 [Dockerfiles](https://docs.docker.com/engine/reference/builder/).  You can
-provided your own Dockerfile or you can let fly.io's
+provide your own Dockerfile or you can let Fly.io's
 [dockerfile generator](https://github.com/fly-apps/dockerfile-node#overview)
 produce one for you.
 
@@ -18,7 +18,7 @@ fly launch
 ```
 
 In most cases you won't ever need to edit this Dockerfile directly.  Instead you will be
-able to use one or more of the may [options](https://github.com/fly-apps/dockerfile-node#options)
+able to use one or more of the many [options](https://github.com/fly-apps/dockerfile-node#options)
 to make changes.  For example:
 
 ```cmd