Update header formatting for Image section

Author: OlufunkeMoronfolu

content/en/docs/refguide/mobile/designing-mobile-user-interfaces/native-styling-element-guide.md

@@ -641,7 +641,7 @@ The default class to style all reference selector inputs is named `ReferenceSele
 
 Images, videos, and files help your user app manage images and other files. For more information on these widgets, see [Images, Videos, and Files](/refguide/image-and-file-widgets/).
 
-### Image (#new-image)
+### Image {#new-image}
 
 The image widget can be used to show a static or dynamic image or an icon on a page, layout, or snippet.