more copyedits on welcome PM

config/locales/server.en.yml

@@ -1472,71 +1472,69 @@ en:
 
         - Selecting a topic title will always take you to the next unread post in the topic. To enter at the top or bottom, select the date or post count instead.
 
-            <img src="/images/welcome/topic-list-select-areas.png" width="593" height="59">
+            <img src="/images/welcome/topic-list-select-areas-2x.png" width="593" height="59">
 
-        - While reading a topic, jump back to the top by selecting the topic title, select the progress bar at the bottom right for full navigation controls, or use the <kbd>home</kbd> and <kbd>end</kbd> keys.
+        - While reading a topic, select the progress bar at the bottom right for full navigation controls. Quickly jump back to the top by selecting the topic title. Press <kbd>?</kbd> for a list of super-speedy keyboard shortcuts.
 
-            <img src="/images/welcome/progress-bar.png" width="153" height="181">
+            <img src="/images/welcome/progress-bar-2x.png" width="153" height="181">
 
         ## Replying
 
-        - to the **topic in general**, use Reply <img src="/images/welcome/reply-topic.png" width="25" height="23">  at the very bottom of the topic.
+        - To reply to the **topic in general**, use <img src="/images/welcome/reply-topic-2x.png" width="25" height="23">  at the very bottom of the topic.
 
-        - to a **specific person**, use Reply <img src="/images/welcome/reply-post.png" width="25" height="23"> on their post.
+        - To reply to a **specific person**, use <img src="/images/welcome/reply-post-2x.png" width="25" height="23"> on their post.
 
-        - with **a linked topic**, use <img src="/images/welcome/reply-as-linked-topic.png" width="20" height="25"> Reply as linked Topic to the right of the post.
+        - To reply with **a new topic**, use <img src="/images/welcome/reply-as-linked-topic-2x.png" width="20" height="25"> to the right of the post. Both old and new topics will be automatically linked together.
 
-        To insert a quote, simply select the text you wish to quote, then press any Reply button.
+        To insert a quote, select the text you wish to quote, then press any Reply button. Repeat for multiple quotes!
 
-        <img src="/images/welcome/quote-reply.png" width="326" height="128">
+        <img src="/images/welcome/quote-reply-2x.png" width="326" height="128">
 
-        To notify someone in your reply, mention their name. Type `@` to begin selecting a name.
+        To notify someone in your reply, mention their name. Type `@` to begin selecting a username.
 
-        <img src="/images/welcome/username-completion.png" width="191" height="125">
+        <img src="/images/welcome/username-completion-2x.png" width="191" height="125">
 
-        To use [standard Emoji](http://www.emoji.codes/), just type `:` or the traditional smileys `:)`
+        To use [standard Emoji](http://www.emoji.codes/), just type `:` to match by name, or use the traditional smileys `;)`
 
-        <img src="/images/welcome/emoji-completion.png" width="144" height="153">
+        <img src="/images/welcome/emoji-completion-2x.png" width="144" height="153">
 
         ## Actions
 
-        There are action buttons at the bottom of each post.
+        There are action buttons at the bottom of each post:
 
-        <img src="/images/welcome/like-link-flag-bookmark.png" width="162" height="42">
+        <img src="/images/welcome/like-link-flag-bookmark-2x.png" width="162" height="42">
 
-        To let someone know that you enjoyed their post, use the **like** button.
+        To let someone know that you enjoyed and appreciated their post, use the **like** button. Share the love!
 
-        If you see a problem with a post, privately let them, or our staff, know about it with the **flag** button. You can also **share** a link to a post, or **bookmark** it for later reference on your user page.
+        If you see a problem with someone's post, privately let them, or [our staff](/about), know about it with the **flag** button. You can also **share** a link to a post, or **bookmark** it for later reference on your user page.
 
         ## Notifications
 
         When someone replies to you, quotes your post, or mentions your `@username`, a number will immediately appear at the top right of the page. Use it to access your **notifications**.
 
-        <img src="/images/welcome/notification-panel.png" width="160" height="54">
+        <img src="/images/welcome/notification-panel-2x.png" width="160" height="54">
 
         Don't worry about missing a reply – you'll be emailed any notifications that arrive when you are away.
 
         ## Your Preferences
 
-        By default:
+          - All topics less than **two days old** are considered new.
 
-          - all topics less than two days old are considered new
+          - Any topic you've **actively participated in** (by creating it, replying, or reading for an extended period) will be automatically tracked.
 
-          - any topic you've actively participated in (by creating it, replying, or reading for an extended period) will automatically be tracked.
+        You will see the blue new and unread number indicators next to these topics:
 
-        You will see the blue new and unread number indicators next to these topics.
+        <img src="/images/welcome/topics-new-unread-2x.png" width="341" height="106">
 
-        <img src="/images/welcome/topics-new-unread.png" width="341" height="106">
+        You can change your notifications for any topic via the notification control at the bottom of the topic. You can also set notification state per category.
 
-        You can change the individual notification state of a topic via the notification control at the bottom of the topic. You can also set notification state per category.
-
-        <img src="/images/welcome/topic-notification-control.png" width="608" height="312">
+        <img src="/images/welcome/topic-notification-control-2x.png" width="608" height="312">
 
         To change any of these settings, see [your user preferences](%{base_url}/my/preferences).
 
         ## Community Trust
 
-        New users are somewhat limited for safety reasons. As you participate here, you'll gain the trust of the community, become a full citizen, and those limitations will automatically be removed. At a high enough [trust level](https://meta.discourse.org/t/what-do-user-trust-levels-do/4924), you'll gain even more abilities to help us manage our community together.
+        New users are somewhat limited for safety reasons. As you participate here, over time you'll gain the trust of the community, become a full citizen, and those limitations will be lifted. At a high enough [trust level](https://meta.discourse.org/t/what-do-user-trust-levels-do/4924), you'll gain new abilities to help us manage our community together.
 
     welcome_user:
       subject_template: "Welcome to %{site_name}!"