Phrasing tweak

This still implies "publish themselves", but also clarifies that in
general routine publishing of useful datasets is valuable.

lib/views/general/_patterns_of_use.html.erb

@@ -52,7 +52,7 @@
       <div class="article-grid__item">
         <div class="article-grid__item-content">
           <p>
-            <%= _('<strong>☀️ Promote openness:</strong> Asking for datasets can help to show that there is public demand to see it, which might persuade the authority to publish it themselves without needing to be asked.') %>
+            <%= _('<strong>☀️ Promote openness:</strong> Asking for datasets can help to show that there is public demand to see it, which might persuade the authority to publish it routinely without needing to be asked.') %>
           </p>
         </div>
       </div>