Address Greg's comment

openedx/core/djangoapps/schedules/templates/schedules/edx_ace/upgradereminder/email/body.html

@@ -5,15 +5,17 @@
 {% block preview_text %}
     {% if course_ids|length > 1 %}
         {% blocktrans trimmed %}
-            We hope you are enjoying learning with us so far on {{ platform_name }}! A verified certificate
-            will allow you to highlight your new knowledge and skills. It's official, and easily shareable.
+            We hope you are enjoying learning with us so far on {{ platform_name }}! A verified certificate allows you to
+            highlight your new knowledge and skills. An {{ platform_name }} certificate is official and easily
+            shareable.
 
             Upgrade by {{ user_schedule_upgrade_deadline_time }}.
         {% endblocktrans %}
     {% else %}
         {% blocktrans trimmed %}
-            We hope you are enjoying learning with us so far in {{ first_course_name }}! A verified certificate
-            will allow you to highlight your new knowledge and skills. It's official, and easily shareable.
+            We hope you are enjoying learning with us so far in {{ first_course_name }}! A verified certificate allows
+            you to highlight your new knowledge and skills. An {{ platform_name }} certificate is official and easily
+            shareable.
 
             Upgrade by {{ user_schedule_upgrade_deadline_time }}.
         {% endblocktrans %}
@@ -32,14 +34,14 @@
                 {% if course_ids|length > 1 %}
                     {% blocktrans trimmed %}
                         We hope you are enjoying learning with us so far on <strong>{{ platform_name }}</strong>! A
-                        verified certificate will allow you to highlight your new knowledge and skills. It's official,
-                        and easily shareable.
+                        verified certificate allows you to highlight your new knowledge and skills. An {{ platform_name
+                        }} certificate is official and easily shareable.
                     {% endblocktrans %}
                 {% else %}
                     {% blocktrans trimmed %}
                         We hope you are enjoying learning with us so far in <strong>{{ first_course_name }}</strong>! A
-                        verified certificate will allow you to highlight your new knowledge and skills. It's official,
-                        and easily shareable.
+                        verified certificate allows you to highlight your new knowledge and skills. An {{ platform_name
+                        }} certificate is official and easily shareable.
                     {% endblocktrans %}
                 {% endif %}
             </p>

openedx/core/djangoapps/schedules/templates/schedules/edx_ace/upgradereminder/email/body.txt

@@ -3,7 +3,8 @@
 {% if course_ids|length > 1 %}
 {% blocktrans trimmed %}
 We hope you are enjoying learning with us so far on {{ platform_name }}! A verified certificate
-will allow you to highlight your new knowledge and skills. It's official, and easily shareable.
+allows you to highlight your new knowledge and skills. An {{ platform_name }} certificate is
+official and easily shareable.
 
 Upgrade by {{ user_schedule_upgrade_deadline_time }}.
 {% endblocktrans %}
@@ -18,7 +19,8 @@ Upgrade by {{ user_schedule_upgrade_deadline_time }}.
 {% else %}
 {% blocktrans trimmed %}
 We hope you are enjoying learning with us so far in {{ first_course_name }}! A verified certificate
-will allow you to highlight your new knowledge and skills. It's official, and easily shareable.
+allows you to highlight your new knowledge and skills. An {{ platform_name }} certificate is
+official and easily shareable.
 
 Upgrade by {{ user_schedule_upgrade_deadline_time }}.
 {% endblocktrans %}