Revised wording to avoid negative contraction

app/templates/views/notifications/notification.html

@@ -57,12 +57,11 @@
           </p>
           {% if is_precompiled_letter %}
             <p>
-              This letter has passed our checks, but it won’t be printed
-              because you used a test key
+              This letter passed our checks, but we will not print it because you used a test key.
             </p>
           {% else %}
             <p>
-              This letter won’t be printed because you used a test key
+              We will not print this letter because you used a test key.
             </p>
           {% endif %}
         {% else %}