misc links fixes and grammar

Author: thescientist13

src/pages/docs/content-as-data/frontmatter.md

@@ -8,7 +8,7 @@ tocHeading: 2
 
 [Frontmatter](https://www.npmjs.com/package/front-matter) is a [YAML](https://yaml.org/) block at the top of a file that gives you the ability to define variables that are made available to Greenwood's [build process and then your HTML](/docs/content-as-data/). You can also use it to import additional static assets like JS and CSS files.
 
-Greenwood defines the following properties that you can use in HTML or [markdown](/docs/plugins/markdown) out of the box:
+Greenwood defines the following properties that you can use in HTML or [markdown](/docs/plugins/markdown/) out of the box:
 
 - Label
 - Title

src/pages/guides/getting-started/walkthrough.md

@@ -78,7 +78,7 @@ Our home page will be simple landing page with links to our blog post pages:
 
 <!-- prettier-ignore-end -->
 
-For the blog post pages, we're going to use Greenwood's [markdown plugin](/docs/plugins/markdown) for authoring these pages.
+For the blog post pages, we're going to use Greenwood's [markdown plugin](/docs/plugins/markdown/) for authoring these pages.
 
 First, let's install the plugin:
 
@@ -101,7 +101,7 @@ First, let's install the plugin:
 
 <!-- prettier-ignore-end -->
 
-And then create a _greenwood.config.js_ file:
+Then create a _greenwood.config.js_ file and import the plugin:
 
 <!-- prettier-ignore-start -->
 
@@ -119,7 +119,7 @@ And then create a _greenwood.config.js_ file:
 
 <!-- prettier-ignore-end -->
 
-Now we create a folder called _blog/_ in our pages directory and then create two markdown files called _first-post.md_ and _second-post.md_:
+Now we can create a folder called _blog/_ in our pages directory and then create two markdown files called _first-post.md_ and _second-post.md_:
 
 <!-- prettier-ignore-start -->