diff --git a/README.md b/README.md
index 0d77f4b..a8b7f20 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ hide:
   name: true
 ```
 
-### Time entity
+### `time` entity
 
 ```yaml
 type: custom:time-picker-card
diff --git a/src/editor.ts b/src/editor.ts
index 2a9c5e0..fc02f7b 100644
--- a/src/editor.ts
+++ b/src/editor.ts
@@ -5,7 +5,7 @@ import { customElement, property } from 'lit/decorators.js';
 import { TimePickerCardConfig } from './types';
 
 const NAME_TO_LABEL_MAP: Record<string, string> = {
-  entity: 'Time or input_datetime entity id',
+  entity: 'time or input_datetime entity id',
   name: 'Name',
   hour_step: 'Hour step',
   minute_step: 'Minute step',
diff --git a/src/time-picker-card.ts b/src/time-picker-card.ts
index 0d7aca8..31f4958 100644
--- a/src/time-picker-card.ts
+++ b/src/time-picker-card.ts
@@ -192,7 +192,7 @@ export class TimePickerCard extends LitElement implements LovelaceCard {
     if (domain === TIME_ENTITY_DOMAIN) {
       const match = /^(\d{2}):(\d{2}):(\d{2})$/.exec(this.entity.state);
       if (!match || Number(match[1]) > 23 || Number(match[2]) > 59 || Number(match[3]) > 59) {
-        return Partial.error('Time entity has no valid HH:MM:SS value', this.config);
+        return Partial.error('The time entity has no valid HH:MM:SS value', this.config);
       }
       [hour, minute, second] = match.slice(1).map(Number);
     } else {
diff --git a/test/time-picker-card.test.ts b/test/time-picker-card.test.ts
index aa3433a..563a4ee 100644
--- a/test/time-picker-card.test.ts
+++ b/test/time-picker-card.test.ts
@@ -17,7 +17,7 @@ class ErrorCardStub extends HTMLElement {
 customElements.define('hui-error-card', ErrorCardStub);
 
 const ENTITY_ID = 'input_datetime.alarm';
-const TIME_ENTITY_ID = 'time.irrigation_schema_1_start_time';
+const TIME_ENTITY_ID = 'time.alarm_time';
 
 /** YAML is untyped at runtime, so setConfig has to cope with shapes the type forbids. */
 const invalidConfig = (config: Record<string, unknown>): TimePickerCardConfig =>
@@ -36,7 +36,7 @@ const timeEntity = (state = '07:30:00'): HassEntity => ({
   ...alarm(7),
   entity_id: TIME_ENTITY_ID,
   state,
-  attributes: { friendly_name: 'Irrigation start' },
+  attributes: { friendly_name: 'Alarm time' },
 });
 
 const createHass = (entity: HassEntity = alarm(7)): HomeAssistant =>