change improve link text

Author: niccokunzmann

steps/50-01-done.html

@@ -18,7 +18,7 @@
     You can notify us about <a target="_blank" href="{{ site.sourcecode.newissue }}">problems and get in touch</a>.
   </li>
   <li>
-    You can improve pages by clicking on <a target="_blank" href="{{ site.sourcecode.edit }}/{{ page.path }}">Improve</a>
+    You can improve pages by clicking on <a target="_blank" href="{{ site.sourcecode.edit }}/{{ page.path }}">{{ site.data.footer.edit["en"] }}</a>
     editing and creating a 
     <a target="_blank" href="{{ site.sourcecode.pullrequest }}">pull request</a>.
   </li>