Improve website template

ci/render/templates/WEBSITE.md

@@ -20,7 +20,7 @@ number = "{{ episode.number }}"
 
 <a target="_blank" class="button"
 href="https://gitpod.io/#https://github.com/hello-rust/show/tree/master/episode/{{episode.number}}">&#x25b6;
-Run and edit code on Gitpod</a>
+Run and edit the code on Gitpod</a>
 
 ## Keywords
 
@@ -43,10 +43,7 @@ Run and edit code on Gitpod</a>
 {%- if episode.errata %}
 ## Errata and improvements
 
-It might come as a surprise to you, but every once in a while *even I* make a mistake.  
-This section covers all improvements made to the code since the epsiode went live.  
-For an exhaustive list of all changes to the original code, [go here](https://github.com/hello-rust/show/commits/master/episode/{{ episode.number }}).
-Thanks to all contributors!  
+It might come as a surprise to you, but every once in a while *even I* make a mistake. This section covers all improvements made to the code since the epsiode went live. For an exhaustive list of all changes to the original code, [go here](https://github.com/hello-rust/show/commits/master/episode/{{ episode.number }}). Thanks to all contributors! 
 
 {% for error in episode.errata -%}
 * {{ error }}