diff --git a/Gruntfile.js b/Gruntfile.js
index 268cbda..a4ccc0b 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -20,6 +20,9 @@ module.exports = function( grunt ) {
 
 		wp_readme_to_markdown: {
 			your_target: {
+				options: {
+					screenshot_url: 'https://s.w.org/plugins/{plugin}/{screenshot}.png'
+				},
 				files: {
 					'README.md': 'readme.txt'
 				}
diff --git a/README.md b/README.md
index 9a9ed5b..891ce4a 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ in a template file called `inline-image.php`:
 	if ( is_array( $exif_data ) ) {
 		echo '<ul class="image-meta">';
 		foreach ( $exif_data as $field => $value ) {
-**			echo '<li>' . $field . ':** ' . $value . '</li>';  
+			echo '<li>' . $field . ': ' . $value . '</li>';
 		}
 		echo '</ul>';
 	}
@@ -86,7 +86,7 @@ in a template file called `inline-image.php`:
 ### Data Migration ###
 
 The plugin comes with two [WP-CLI](http://wp-cli.org) commands to migrate images in your existing content into the `[img]` shortcode format used by
-**this plugin. _Note:** if it isn't clear, this is an early release -- use at your own risk, and make sure you've backed up your posts before migrating!_  
+this plugin. _Note: if it isn't clear, this is an early release -- use at your own risk, and make sure you've backed up your posts before migrating!_
 
 `wp image-shortcake migrate <ids> [--dry-run]`
 
@@ -102,10 +102,10 @@ This command finds all `[img]` shortcodes in the content of any of the posts spe
 ## Screenshots ##
 
 ### 1. This is the shortcode UI form as accessed from **Insert Media > Insert Post Element**. (Note that you can also insert images as usual, by inserting them in the Media Library - they will be transparently converted into shortcodes behind the scenes for you.) ###
-![This is the shortcode UI form as accessed from **Insert Media > Insert Post Element**. (Note that you can also insert images as usual, by inserting them in the Media Library - they will be transparently converted into shortcodes behind the scenes for you.)](http://s.wordpress.org/extend/plugins/image-shortcake/screenshot-1.png)
+![This is the shortcode UI form as accessed from **Insert Media > Insert Post Element**. (Note that you can also insert images as usual, by inserting them in the Media Library - they will be transparently converted into shortcodes behind the scenes for you.)](https://s.w.org/plugins/image-shortcake/screenshot-1.png)
 
 ### 2. Once inserted into a post, the image preview renders in the editor just as it normally would. The Shortcake plugin's edit/delete buttons are available to modify the shortcode through the provided UI. ###
-![Once inserted into a post, the image preview renders in the editor just as it normally would. The Shortcake plugin's edit/delete buttons are available to modify the shortcode through the provided UI.](http://s.wordpress.org/extend/plugins/image-shortcake/screenshot-2.png)
+![Once inserted into a post, the image preview renders in the editor just as it normally would. The Shortcake plugin's edit/delete buttons are available to modify the shortcode through the provided UI.](https://s.w.org/plugins/image-shortcake/screenshot-2.png)
 
 
 ## Changelog ##
diff --git a/package.json b/package.json
index 4550099..7dadc49 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,6 @@
     "grunt-contrib-watch": "^0.6.1",
     "grunt-phpcs": "^0.4.0",
     "grunt-wp-i18n": "^0.5.0",
-    "grunt-wp-readme-to-markdown": "~0.9.0"
+    "grunt-wp-readme-to-markdown": "~1.0.0"
   }
 }