Apply suggestions from code review

Co-authored-by: Paul Valladares <85648028+dreyfus92@users.noreply.github.com>

src/content/docs/en/guides/incremental-static-regeneration.mdx

@@ -133,7 +133,8 @@ Netlify supports caching via two methods: `Cache-Control` headers, which works w
 #### On-demand Builders
 On-demand Builders are serverless functions used to generate web content as needed that’s automatically cached on Netlify’s Edge CDN. They enable you to build 
 To enable them, set the `builders` option to `true` in your config file.
-```ts title="stro.config.js" ins={6}
+```ts title="astro.config.js" ins={6}
+
 import { defineConfig } from 'astro/config'
 import netlify from '@astrojs/netlify/functions'
 
@@ -143,7 +144,8 @@ export default defineConfig({
 })
 ```
 By default, pages for your site will be built when a user visits them for the first time and then cached at the edge for subsequent visits. To set a revalidation time, call the `runtime.setBuildersTtl(ttl)` local with the duration (in seconds). For example, to set a revalidation time of 60 seconds:
-```ts title="src/pages/index.astro"
+```astro title="src/pages/index.astro"
+
 ---
 Astro.locals.runtime.setBuildersTtl(60)
 ---