Changes some latin/dummy text to English (#34946)

Changes some latin/dummy text to English so spellcheck linter passes

site/content/docs/5.1/components/list-group.md

@@ -102,9 +102,9 @@ Numbers are generated by `counter-reset` on the `<ol>`, and then styled and plac
 
 {{< example >}}
 <ol class="list-group list-group-numbered">
-  <li class="list-group-item">Cras justo odio</li>
-  <li class="list-group-item">Cras justo odio</li>
-  <li class="list-group-item">Cras justo odio</li>
+  <li class="list-group-item">A list item</li>
+  <li class="list-group-item">A list item</li>
+  <li class="list-group-item">A list item</li>
 </ol>
 {{< /example >}}
 
@@ -115,21 +115,21 @@ These work great with custom content as well.
   <li class="list-group-item d-flex justify-content-between align-items-start">
     <div class="ms-2 me-auto">
       <div class="fw-bold">Subheading</div>
-      Cras justo odio
+      Content for list item
     </div>
     <span class="badge bg-primary rounded-pill">14</span>
   </li>
   <li class="list-group-item d-flex justify-content-between align-items-start">
     <div class="ms-2 me-auto">
       <div class="fw-bold">Subheading</div>
-      Cras justo odio
+      Content for list item
     </div>
     <span class="badge bg-primary rounded-pill">14</span>
   </li>
   <li class="list-group-item d-flex justify-content-between align-items-start">
     <div class="ms-2 me-auto">
       <div class="fw-bold">Subheading</div>
-      Cras justo odio
+      Content for list item
     </div>
     <span class="badge bg-primary rounded-pill">14</span>
   </li>

site/content/docs/5.1/content/reboot.md

@@ -433,7 +433,7 @@ The default `margin` on blockquotes is `1em 40px`, so we reset that to `0 0 1rem
 The `<abbr>` element receives basic styling to make it stand out amongst paragraph text.
 
 <div class="bd-example">
-  Nulla <abbr title="attribute">attr</abbr> vitae elit libero, a pharetra augue.
+  The <abbr title="HyperText Markup Language">HTML</abbr> abbreviation element.
 </div>
 
 ### Summary

site/content/docs/5.1/customize/optimize.md

@@ -73,7 +73,7 @@ Whenever possible, be sure to compress all the code you serve to your visitors.
 
 ## Non-blocking files
 
-While minifying and using compression might seem like enough, making your files nonblocking ones is also a big step in making your site well-optimized and fast enough.
+While minifying and using compression might seem like enough, making your files non-blocking ones is also a big step in making your site well-optimized and fast enough.
 
 If you are using a [Lighthouse](https://developers.google.com/web/tools/lighthouse/) plugin in Google Chrome, you may have stumbled over FCP. [The First Contentful Paint](https://web.dev/fcp/) metric measures the time from when the page starts loading to when any part of the page's content is rendered on the screen.