Fix typo ;)

Author: francisudeji

src/pages/building-the-tailwind-blog/index.mdx

@@ -150,7 +150,7 @@ We tried a few different approaches but the one we settled on was using webpack'
 1. The entire post, used for post pages.
 2. The post preview, where we load the minimum data needed for the homepage.
 
-The way we set it up, any time we add a `?preview` query to the end of an import for an individual post, we get back a much smaller version of that post that just includes the metadata and the preview excerpt, rather than the entire post conent.
+The way we set it up, any time we add a `?preview` query to the end of an import for an individual post, we get back a much smaller version of that post that just includes the metadata and the preview excerpt, rather than the entire post content.
 
 Here's a snippet of what that custom loader looks like: