Fix issues in signature-experiences/motion.md

Fix double-space typo in alt-text: 'page  transitions' -> 'page transitions'

Co-authored-by: Copilot <[email protected]>

Author: GrantMeStrength

hub/apps/design/signature-experiences/motion.md

@@ -67,7 +67,7 @@ Avoid custom animations where possible. Use animation resources like [WinUI 3](.
 
 _Example:_ [Page transitions](../motion/page-transitions.md), [connected animations](../motion/connected-animation.md), and [animated icons](../controls/animated-icon.md) are the recommended WinUI controls that add delightful and necessary motion to apps.
 
-:::image type="content" source="images/motion-resourceful.png" lightbox="images/motion-resourceful.gif" alt-text="An animated image that shows examples of page  transitions, connected animations, and animated icons in the Windows UI.":::
+:::image type="content" source="images/motion-resourceful.png" lightbox="images/motion-resourceful.gif" alt-text="An animated image that shows examples of page transitions, connected animations, and animated icons in the Windows UI.":::
 
 _Click the image to see it animated._