Update src/content/docs/images/tutorials/optimize-mobile-viewing.mdx

Author: ToriLindsay

src/content/docs/images/tutorials/optimize-mobile-viewing.mdx

@@ -26,7 +26,7 @@ There are two possible `loading` attributes for your `<img>` tags: `lazy` and  `
 
 ### Lazy loading
 
-Lazy loading is recommended for most images. With Lazy loading, resources like images are deferred until they reach a certain distance from the viewpoint. If an image doesn't reach the threshold, then it does not get loaded.
+Lazy loading is recommended for most images. With Lazy loading, resources like images are deferred until they reach a certain distance from the viewport. If an image doesn't reach the threshold, then it does not get loaded.
 
 Example of modifying the `loading` attribute of your `<img>` tags to be `"lazy"`:
 ````HTML