diff --git a/homeassistant/components/persistent_notification/__init__.py b/homeassistant/components/persistent_notification/__init__.py
index 49a9f4c3bea..5f08f79dc00 100644
--- a/homeassistant/components/persistent_notification/__init__.py
+++ b/homeassistant/components/persistent_notification/__init__.py
@@ -6,6 +6,7 @@ from typing import Any, Mapping, MutableMapping, Optional
 import voluptuous as vol
 
 from homeassistant.components import websocket_api
+from homeassistant.const import ATTR_FRIENDLY_NAME
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.exceptions import TemplateError
 from homeassistant.helpers import config_validation as cv
@@ -125,6 +126,7 @@ async def async_setup(hass: HomeAssistant, config: dict) -> bool:
                 title = title.template
 
             attr[ATTR_TITLE] = title
+            attr[ATTR_FRIENDLY_NAME] = title
 
         try:
             message.hass = hass
diff --git a/homeassistant/components/persistent_notification/services.yaml b/homeassistant/components/persistent_notification/services.yaml
index d026896a7c5..7917a06a3d7 100644
--- a/homeassistant/components/persistent_notification/services.yaml
+++ b/homeassistant/components/persistent_notification/services.yaml
@@ -8,7 +8,7 @@ create:
       description: Optional title for your notification. [Optional, Templates accepted]
       example: Test notification
     notification_id:
-      description: Target ID of the notification, will replace a notification with the same Id. [Optional]
+      description: Target ID of the notification, will replace a notification with the same ID. [Optional]
       example: 1234
 
 dismiss:
diff --git a/homeassistant/core.py b/homeassistant/core.py
index 18b69fd5366..36eb211a6ab 100644
--- a/homeassistant/core.py
+++ b/homeassistant/core.py
@@ -116,7 +116,7 @@ _LOGGER = logging.getLogger(__name__)
 
 
 def split_entity_id(entity_id: str) -> List[str]:
-    """Split a state entity_id into domain, object_id."""
+    """Split a state entity ID into domain and object ID."""
     return entity_id.split(".", 1)