docs: reword last FAQ

Author: joker234

sketch_map_tool/templates/help.html

@@ -1041,7 +1041,7 @@ <h1 id="faq">{{ _('FAQs') }}</h1>
             <summary id="how-much-time-to-upload">{{ _('How much time do I have to upload the Sketch Maps for the digitization?') }}
             </summary>
             <article>
-                {{ _('It is possible up to 12 months after the creation of your maps, afterwards the digitization will not work anymore.') }}
+                {{ _('This is possible for up to 12 months after your maps have been created, after which the digitization will no longer work.') }}
             </article>
         </details>