Tweak wording.

templates/front/update_name_modal.html

@@ -63,9 +63,8 @@
                                 id="update-desc-input"
                                 class="form-control"
                                 rows="5"
-                                placeholder="What's being monitored?
-What to do when this check goes down?
-Where to find more information?"
+                                placeholder="Additional notes for your own reference.
+Will appear in email alerts about this check going DOWN and in Slack notifications."
                                 name="desc">{{ check.desc }}</textarea>
                         </div>
                     </div>