Update using-images.mdx

Author: Emily

docs/content/usage/using-images.mdx

@@ -21,4 +21,9 @@ import DemoImage from '../images/demo-image.png'
 <img src={DemoImage} alt="a description of your image"/>
 ````
 
-Make sure to use the `alt` attribute to describe your image for assistive technology, or use the [`Caption` component](/components/caption)
+Make sure to use the `alt` attribute to describe your image for assistive technology, or use the [`Caption` component](/components/caption)
+
+If you run into any problems with Gatsby building the site and not being able to find your image path try the following:
+
+1. Double check that the path is correct
+2. Try deleting the `./cache` folder and rebuilding