diff --git a/data/presets.yaml b/data/presets.yaml
index c97d09abb..1f506c0c9 100644
--- a/data/presets.yaml
+++ b/data/presets.yaml
@@ -1079,7 +1079,7 @@ en:
         # max_age=*
         label: Maximum Age
       playground/min_age:
-        # max_age=*
+        # min_age=*
         label: Minimum Age
       population:
         # population=*
diff --git a/data/presets/fields.json b/data/presets/fields.json
index 0b957ac05..e74ccc937 100644
--- a/data/presets/fields.json
+++ b/data/presets/fields.json
@@ -1429,7 +1429,7 @@
             "label": "Maximum Age"
         },
         "playground/min_age": {
-            "key": "max_age",
+            "key": "min_age",
             "type": "number",
             "label": "Minimum Age"
         },
diff --git a/data/presets/fields/playground/min_age.json b/data/presets/fields/playground/min_age.json
index 4616635b6..762005e62 100644
--- a/data/presets/fields/playground/min_age.json
+++ b/data/presets/fields/playground/min_age.json
@@ -1,5 +1,5 @@
 {
-    "key": "max_age",
+    "key": "min_age",
     "type": "number",
     "label": "Minimum Age"
 }