diff --git a/NEWS b/NEWS
index 21ffc1339..708229b1e 100644
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,7 @@
 
 Enhancements
  - [web] show calendar names of subscriptions in events blocks
+ - [web] show hints for mail vacation options (#4462)
  - [web] allow to fetch unseen count of all mailboxes (#522, #2776, #4276)
 
 Bug fixes
diff --git a/UI/Templates/PreferencesUI/UIxPreferences.wox b/UI/Templates/PreferencesUI/UIxPreferences.wox
index cbc510c22..b202e42f0 100644
--- a/UI/Templates/PreferencesUI/UIxPreferences.wox
+++ b/UI/Templates/PreferencesUI/UIxPreferences.wox
@@ -1011,6 +1011,7 @@
                       ng-true-value="1"
                       ng-false-value="0">
                     <var:string label:value="Always send vacation message response"/>
+                    <div class="sg-hint"><var:string label:value="The vacation message is sent prior to apply your filters."/></div>
                   </md-checkbox>
                 </div>
 
@@ -1020,6 +1021,7 @@
                       ng-true-value="1"
                       ng-false-value="0">
                     <var:string label:value="Discard incoming mails during vacation"/>
+                    <div class="sg-hint"><var:string label:value="The vacation message is sent but incoming messages are not delivered to your inbox."/></div>
                   </md-checkbox>
                 </div>