typo fix

Author: cathysarisky

partials/loop.hbs

@@ -12,9 +12,9 @@
                         {{#match @custom.post_feed_layout "=" "Parallax"}},
                                 {{img_url feature_image size="xl"}} 1200w,
                                 {{img_url feature_image size="xxl"}} 2000w"
-                        sizes="(max-width: 1440px) 100vw, 1440px"
+                        sizes="(max-width: 1440px) 100vw, 1440w"
                         {{else}}
-                        sizes="(max-width: 991px) 100vw, 50vw"
+                        " sizes="(max-width: 991px) 100vw, 50vw"
                         {{/match}}
                         src="{{img_url feature_image size="m"}}"
                         alt="{{#if feature_image_alt}}{{feature_image_alt}}{{else}}{{title}}{{/if}}"