diff --git a/data/core.yaml b/data/core.yaml
index 4d487fa0d..02a27f103 100644
--- a/data/core.yaml
+++ b/data/core.yaml
@@ -1,4 +1,6 @@
 en:
+  icons:
+    information: info
   modes:
     add_area:
       title: Area
diff --git a/dist/locales/en.json b/dist/locales/en.json
index fa79fb75d..d2e9c32bb 100644
--- a/dist/locales/en.json
+++ b/dist/locales/en.json
@@ -1,5 +1,8 @@
 {
     "en": {
+        "icons": {
+            "information": "info"
+        },
         "modes": {
             "add_area": {
                 "title": "Area",
diff --git a/modules/ui/tag_reference.js b/modules/ui/tag_reference.js
index 81cf4659b..ddfd3fb77 100644
--- a/modules/ui/tag_reference.js
+++ b/modules/ui/tag_reference.js
@@ -157,6 +157,7 @@ export function uiTagReference(tag) {
         _button = _button.enter()
             .append('button')
             .attr('class', 'tag-reference-button')
+            .attr('title', t('icons.information'))
             .attr('tabindex', -1)
             .call(svgIcon('#icon-inspect'))
             .merge(_button);