diff --git a/data/fields/diameter_crown.json b/data/fields/diameter_crown.json
index 5ac131a9..3b7224d7 100644
--- a/data/fields/diameter_crown.json
+++ b/data/fields/diameter_crown.json
@@ -3,5 +3,5 @@
     "type": "combo",
     "label": "Crown diameter",
     "snake_case": false,
-    "placeholder": "5 mm, 10 cm, 15 in…"
+    "placeholder": "4 m, 9 ft, …"
 }