fix: typo

apps/engineering/content/design/icons.mdx

@@ -1,6 +1,6 @@
 ---
 title: Icons
-description: How we're using Nucleo Icons
+description: Available icons for Unkey's apps.
 ---
 import { RenderComponentWithSnippet } from "@/app/components/render";
 import { Row } from "@/app/components/row";
@@ -28,7 +28,7 @@ import {Bolt,BookBookmark,Check,ChevronExpandY,Nodes,ShieldCheck,Sparkle3,TaskCh
     className: {
       description:
         'A className applied to the icon to override the styling in edge cases. In most cases you should not change the size of the icon.',
-      type: 'string | undefiend',
+      type: 'string | undefined',
       default: undefined
     },
   }}
@@ -71,7 +71,7 @@ import { IconName } from "@unkey/icons"
 </div>
 
 
-## Importing Icons
+## Adding new icons
 
 Importing icons is a manual process.
 <Steps>