docs: fix typo (#14933)

Author: admwrd

documentation/docs/10-getting-started/30-project-structure.md

@@ -57,7 +57,7 @@ The `src` directory contains the meat of your project. Everything except `src/ro
 - `hooks.server.js` contains your server [hooks](hooks)
 - `service-worker.js` contains your [service worker](service-workers)
 - `instrumentation.server.js` contains your [observability](observability) setup and instrumentation code
-  - Requires adapter support. If your adapter supports it, it is guarnteed to run prior to loading and running your application code.
+  - Requires adapter support. If your adapter supports it, it is guaranteed to run prior to loading and running your application code.
 
 (Whether the project contains `.js` or `.ts` files depends on whether you opt to use TypeScript when you create your project.)