diff --git a/app/assets/javascripts/discourse/templates/modal/flag.js.handlebars b/app/assets/javascripts/discourse/templates/modal/flag.js.handlebars
index 582e2214600..5ad14501ccd 100644
--- a/app/assets/javascripts/discourse/templates/modal/flag.js.handlebars
+++ b/app/assets/javascripts/discourse/templates/modal/flag.js.handlebars
@@ -21,14 +21,14 @@
 
 </div>
 <div class="modal-footer">
-  <button class='btn btn-primary' {{action createFlag}} {{bind-attr disabled="submitDisabled"}}>{{{submitText}}}</button>
+  <button class='btn btn-primary' {{action createFlag}} {{bind-attr disabled="submitDisabled"}} title="{{i18n flagging.submit_tooltip}}">{{{submitText}}}</button>
 
   {{#if canTakeAction}}
-    <button class='btn btn-danger' {{action takeAction}} {{bind-attr disabled="submitDisabled"}}>{{i18n flagging.take_action}}</button>
+    <button class='btn btn-danger' {{action takeAction}} {{bind-attr disabled="submitDisabled"}} title="{{i18n take_action_tooltip}}">{{i18n flagging.take_action}}</button>
   {{/if}}
 
   {{#if canDeleteSpammer}}
-    <button class="btn btn-danger" {{action deleteSpammer}} {{bind-attr disabled="submitDisabled"}}><i class="fa fa-exclamation-triangle"></i> {{i18n flagging.delete_spammer}}</button>
+    <button class="btn btn-danger" {{action deleteSpammer}} {{bind-attr disabled="submitDisabled"}} title="{{i18n flagging.delete_spammer}}"><i class="fa fa-exclamation-triangle"></i> {{i18n flagging.delete_spammer}}</button>
   {{/if}}
 </div>
 
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index 410aaf2c9e1..d0f6e84b91a 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -1167,6 +1167,8 @@ en:
       delete_spammer: "Delete Spammer"
       delete_confirm: "You are about to delete <b>%{posts}</b> posts and <b>%{topics}</b> topics from this user, remove their account, block signups from their IP address <b>%{ip_address}</b>, and add their email address <b>%{email}</b> to a permanent block list. Are you sure this user is really a spammer?"
       yes_delete_spammer: "Yes, Delete Spammer"
+      submit_tooltip: "Submit the private flag"
+      take_action_tooltip: "Cause the flagging threshold to occur"
       cant: "Sorry, you can't flag this post at this time."
       custom_placeholder_notify_user: "Why does this post require you to speak to this user directly and privately? Be specific, be constructive, and always be kind."
       custom_placeholder_notify_moderators: "Why does this post require moderator attention? Let us know specifically what you are concerned about, and provide relevant links where possible."