docs: minor phrasing updates (#3204)

Author: indirectlylit

Diff for: docs/guide/markdown.md

@@ -18,7 +18,7 @@ This allows you to link to the heading as `#my-anchor` instead of the default `#
 
 ## Links
 
-Both internal and external links gets special treatments.
+Both internal and external links get special treatment.
 
 ### Internal Links
 

Diff for: docs/guide/ssr-compat.md

@@ -6,7 +6,7 @@ outline: deep
 
 VitePress pre-renders the app in Node.js during the production build, using Vue's Server-Side Rendering (SSR) capabilities. This means all custom code in theme components are subject to SSR Compatibility.
 
-The [SSR section in official Vue docs](https://vuejs.org/guide/scaling-up/ssr.html) provides more context on what is SSR, the relationship between SSR / SSG, and common notes on writing SSR-friendly code. The rule of thumb is to only access browser / DOM APIs in `beforeMount` or `mounted` hooks of Vue components.
+The [SSR section in official Vue docs](https://vuejs.org/guide/scaling-up/ssr.html) provides more context on what SSR is, the relationship between SSR / SSG, and common notes on writing SSR-friendly code. The rule of thumb is to only access browser / DOM APIs in `beforeMount` or `mounted` hooks of Vue components.
 
 ## `<ClientOnly>`