diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 1dba1d71d8..31d405a056 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -559,6 +559,9 @@ cancel = Cancel
 language = Language
 ui = Theme
 hidden_comment_types = Hidden comment types
+hidden_comment_types_tooltip = Comment types checked here will not be shown inside issue pages. Checking "Label" for example removes all "<user> added/ removed <label>" comments.
+hidden_comment_types.ref_tooltip = Comments where this issue was referenced from another issue/ commit/ …
+hidden_comment_types.issue_ref_tooltip = Comments where the user changes the branch/ tag associated with the issue
 comment_type_group_reference = Reference
 comment_type_group_label = Label
 comment_type_group_milestone = Milestone
diff --git a/templates/user/settings/appearance.tmpl b/templates/user/settings/appearance.tmpl
index 233e682621..b63a06aa66 100644
--- a/templates/user/settings/appearance.tmpl
+++ b/templates/user/settings/appearance.tmpl
@@ -70,101 +70,103 @@
 		</div>
 
 		<!-- Shown comment event types -->
-		<h4 class="ui top attached header">
-			{{.locale.Tr "settings.hidden_comment_types"}}
-		</h4>
-		<div class="ui attached segment">
-			<form class="ui form" action="{{.Link}}/hidden_comments" method="post">
-				{{.CsrfTokenHtml}}
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="reference" type="checkbox" {{if(call .IsCommentTypeGroupChecked "reference")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_reference"}}</label>
+		<div class="ui header tooltip" data-content="{{.locale.Tr "settings.hidden_comment_types_tooltip"}}">
+			<h4 class="ui top attached header">
+				{{.locale.Tr "settings.hidden_comment_types"}}
+			</h4>
+			<div class="ui attached segment">
+				<form class="ui form" action="{{.Link}}/hidden_comments" method="post">
+					{{.CsrfTokenHtml}}
+					<div class="inline field">
+						<div class="ui checkbox tooltip" data-content="{{.locale.Tr "settings.hidden_comment_types.ref_tooltip"}}">
+							<input name="reference" type="checkbox"{{if(call .IsCommentTypeGroupChecked "reference")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_reference"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="label" type="checkbox" {{if (call .IsCommentTypeGroupChecked "label")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_label"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox">
+							<input name="label" type="checkbox"{{if (call .IsCommentTypeGroupChecked "label")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_label"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="milestone" type="checkbox" {{if (call .IsCommentTypeGroupChecked "milestone")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_milestone"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox">
+							<input name="milestone" type="checkbox"{{if (call .IsCommentTypeGroupChecked "milestone")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_milestone"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="assignee" type="checkbox" {{if (call .IsCommentTypeGroupChecked "assignee")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_assignee"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox">
+							<input name="assignee" type="checkbox"{{if (call .IsCommentTypeGroupChecked "assignee")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_assignee"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="title" type="checkbox" {{if (call .IsCommentTypeGroupChecked "title")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_title"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox">
+							<input name="title" type="checkbox"{{if (call .IsCommentTypeGroupChecked "title")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_title"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="branch" type="checkbox" {{if (call .IsCommentTypeGroupChecked "branch")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_branch"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox">
+							<input name="branch" type="checkbox"{{if (call .IsCommentTypeGroupChecked "branch")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_branch"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="time_tracking" type="checkbox" {{if (call .IsCommentTypeGroupChecked "time_tracking")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_time_tracking"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox">
+							<input name="time_tracking" type="checkbox"{{if (call .IsCommentTypeGroupChecked "time_tracking")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_time_tracking"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="deadline" type="checkbox" {{if (call .IsCommentTypeGroupChecked "deadline")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_deadline"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox">
+							<input name="deadline" type="checkbox"{{if (call .IsCommentTypeGroupChecked "deadline")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_deadline"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="dependency" type="checkbox" {{if (call .IsCommentTypeGroupChecked "dependency")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_dependency"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox">
+							<input name="dependency" type="checkbox"{{if (call .IsCommentTypeGroupChecked "dependency")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_dependency"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="lock" type="checkbox" {{if (call .IsCommentTypeGroupChecked "lock")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_lock"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox">
+							<input name="lock" type="checkbox"{{if (call .IsCommentTypeGroupChecked "lock")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_lock"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="review_request" type="checkbox" {{if (call .IsCommentTypeGroupChecked "review_request")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_review_request"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox">
+							<input name="review_request" type="checkbox"{{if (call .IsCommentTypeGroupChecked "review_request")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_review_request"}}</label>
+						</div>
 					</div>
-				</div>
 
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="pull_request_push" type="checkbox" {{if (call .IsCommentTypeGroupChecked "pull_request_push")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_pull_request_push"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox">
+							<input name="pull_request_push" type="checkbox"{{if (call .IsCommentTypeGroupChecked "pull_request_push")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_pull_request_push"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="project" type="checkbox" {{if (call .IsCommentTypeGroupChecked "project")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_project"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox">
+							<input name="project" type="checkbox"{{if (call .IsCommentTypeGroupChecked "project")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_project"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="inline field">
-					<div class="ui checkbox">
-						<input name="issue_ref" type="checkbox" {{if (call .IsCommentTypeGroupChecked "issue_ref")}}checked{{end}}>
-						<label>{{.locale.Tr "settings.comment_type_group_issue_ref"}}</label>
+					<div class="inline field">
+						<div class="ui checkbox tooltip" data-content="{{.locale.Tr "settings.hidden_comment_types.issue_ref_tooltip"}}">
+							<input name="issue_ref" type="checkbox"{{if (call .IsCommentTypeGroupChecked "issue_ref")}} checked{{end}}>
+							<label>{{.locale.Tr "settings.comment_type_group_issue_ref"}}</label>
+						</div>
 					</div>
-				</div>
-				<div class="field">
-					<button class="ui green button">{{$.locale.Tr "save"}}</button>
-				</div>
-			</form>
+					<div class="field">
+						<button class="ui green button">{{$.locale.Tr "save"}}</button>
+					</div>
+				</form>
+			</div>
 		</div>
 	</div>
 </div>