chore: fix doc typo in wordpress tutorial (#20931)

* chore: fix doc typo in wordpress tutorial

* Update docs/tutorial/wordpress-image-tutorial.md

Co-authored-by: LB <laurie@gatsbyjs.com>
Co-authored-by: GatsbyJS Bot <mathews.kyle+gatsbybot@gmail.com>

docs/tutorial/wordpress-image-tutorial.md

@@ -56,7 +56,7 @@ module.exports = {
         // Indicates whether the site is hosted on wordpress.com.
         // If false, then the assumption is made that the site is self hosted.
         // If true, then the plugin will source its content on wordpress.com using the JSON REST API V2.
-        // If your site is hosted on wordpress.org, then set this to false.
+        // If your site is hosted on wordpress.com, then set this to true.
         hostingWPCOM: false,
         // If useACF is true, then the source plugin will try to import the WordPress ACF Plugin contents.
         // This feature is untested for sites hosted on WordPress.com