docs: Fix typo in Route Handlers docs. (vercel#51429)

docs/02-app/01-building-your-application/01-routing/10-router-handlers.mdx

@@ -170,7 +170,7 @@ export async function POST() {
 }
 ```
 
-> **Good to know**: Previously, API Routes could have been used for use cases like handling form submissions. Route Handlers are likely not the solution for these uses cases. We will be recommending the use of [mutations](/docs/app/building-your-application/data-fetching/server-actions) for this when ready.
+> **Good to know**: Previously, API Routes could have been used for use cases like handling form submissions. Route Handlers are likely not the solution for these use cases. We will be recommending the use of [mutations](/docs/app/building-your-application/data-fetching/server-actions) for this when ready.
 
 ### Route Resolution