diff --git a/data/core.yaml b/data/core.yaml
index 314b0b5e3..6d47129e6 100644
--- a/data/core.yaml
+++ b/data/core.yaml
@@ -1410,9 +1410,12 @@ en:
       reference: "Multipolygons should be tagged on their relation, not their outer way."
     outdated_tags:
       title: Outdated Tags
-      message: '{feature} has outdated tags'
+      message: "{feature} has outdated tags"
       tip: "Find features with deprecated tags that can be updated"
       reference: "Some tags change over time and should be updated."
+      incomplete:
+        message: "{feature} has incomplete tags"
+        reference: "Some features should have additional tags."
     private_data:
       title: Private Information
       tip: "Find features that may contain private information"
diff --git a/dist/locales/en.json b/dist/locales/en.json
index 43343802d..01801ba8a 100644
--- a/dist/locales/en.json
+++ b/dist/locales/en.json
@@ -1747,7 +1747,11 @@
                 "title": "Outdated Tags",
                 "message": "{feature} has outdated tags",
                 "tip": "Find features with deprecated tags that can be updated",
-                "reference": "Some tags change over time and should be updated."
+                "reference": "Some tags change over time and should be updated.",
+                "incomplete": {
+                    "message": "{feature} has incomplete tags",
+                    "reference": "Some features should have additional tags."
+                }
             },
             "private_data": {
                 "title": "Private Information",
diff --git a/modules/validations/outdated_tags.js b/modules/validations/outdated_tags.js
index 10eb4d44d..24ba13390 100644
--- a/modules/validations/outdated_tags.js
+++ b/modules/validations/outdated_tags.js
@@ -80,13 +80,15 @@ export function validationOutdatedTags() {
         var tagDiff = utilTagDiff(oldTags, newTags);
         if (!tagDiff.length) return [];
 
+        var prefix = subtype === 'incomplete_tags' ? 'incomplete.' : '';
+
         return [new validationIssue({
             type: type,
             subtype: subtype,
             severity: 'warning',
             message: function() {
                 var entity = context.hasEntity(this.entityIds[0]);
-                return entity ? t('issues.outdated_tags.message', { feature: utilDisplayLabel(entity, context) }) : '';
+                return entity ? t('issues.outdated_tags.' + prefix + 'message', { feature: utilDisplayLabel(entity, context) }) : '';
             },
             reference: showReference,
             entityIds: [entity.id],
@@ -116,7 +118,7 @@ export function validationOutdatedTags() {
             enter
                 .append('div')
                 .attr('class', 'issue-reference')
-                .text(t('issues.outdated_tags.reference'));
+                .text(t('issues.outdated_tags.' + prefix + 'reference'));
 
             enter
                 .append('strong')