diff --git a/FuelBoard/StationsView.swift b/FuelBoard/StationsView.swift
index cb71957..47f9ca1 100644
--- a/FuelBoard/StationsView.swift
+++ b/FuelBoard/StationsView.swift
@@ -193,11 +193,12 @@ struct StationsView: View {
 // MARK: - Fuel-type iconography (app target only — FuelStore.swift is Foundation-only)
 
 extension FuelType {
-    /// Short segment label ("Unleaded" / "Premium" / "Diesel") for the picker.
+    /// Short segment label ("Unleaded (E10)" / "Premium (E5)" / "Diesel") for
+    /// the picker and description.
     var shortName: String {
         switch self {
-        case .e10: return "Unleaded"
-        case .e5: return "Premium"
+        case .e10: return "Unleaded (E10)"
+        case .e5: return "Premium (E5)"
         case .diesel: return "Diesel"
         }
     }
diff --git a/Shared/FuelStore.swift b/Shared/FuelStore.swift
index 7a55bb6..74a349d 100644
--- a/Shared/FuelStore.swift
+++ b/Shared/FuelStore.swift
@@ -56,8 +56,8 @@ enum FuelType: String, Codable, CaseIterable, Identifiable {
 
     var displayName: String {
         switch self {
-        case .e10: return "E10 Unleaded"
-        case .e5: return "E5 Premium"
+        case .e10: return "Unleaded (E10)"
+        case .e5: return "Premium (E5)"
         case .diesel: return "Diesel"
         }
     }