diff --git a/custom_components/integration_blueprint/const.py b/custom_components/integration_blueprint/const.py
index c3d5f6b..0d82802 100644
--- a/custom_components/integration_blueprint/const.py
+++ b/custom_components/integration_blueprint/const.py
@@ -3,11 +3,20 @@
 # Base component constants
 NAME = "Integration blueprint"
 DOMAIN = "integration_blueprint"
-DOMAIN_DATA = f"{DOMAIN}_data"
-VERSION = "0.0.0+dev"
+VERSION = "0.0.0.dev0"
 ATTRIBUTION = "Data provided by http://jsonplaceholder.typicode.com/"
 ISSUE_URL = "https://github.com/Limych/ha-blueprint/issues"
 
+STARTUP_MESSAGE = f"""
+-------------------------------------------------------------------
+{NAME}
+Version: {VERSION}
+This is a custom integration!
+If you have ANY issues with this you need to open an issue here:
+{ISSUE_URL}
+-------------------------------------------------------------------
+"""
+
 # Icons
 ICON = "mdi:format-quote-close"
 
@@ -28,13 +37,5 @@
 # Defaults
 DEFAULT_NAME = DOMAIN
 
-
-STARTUP_MESSAGE = f"""
--------------------------------------------------------------------
-{NAME}
-Version: {VERSION}
-This is a custom integration!
-If you have ANY issues with this you need to open an issue here:
-{ISSUE_URL}
--------------------------------------------------------------------
-"""
+# Attributes
+ATTR_INTEGRATION = "integration"
diff --git a/custom_components/integration_blueprint/entity.py b/custom_components/integration_blueprint/entity.py
index c54ad8b..21a3f97 100644
--- a/custom_components/integration_blueprint/entity.py
+++ b/custom_components/integration_blueprint/entity.py
@@ -1,7 +1,8 @@
 """BlueprintEntity class."""
+from homeassistant.const import ATTR_ATTRIBUTION, ATTR_ID
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
-from .const import ATTRIBUTION, DOMAIN, NAME, VERSION
+from .const import ATTR_INTEGRATION, ATTRIBUTION, DOMAIN, NAME, VERSION
 
 
 class IntegrationBlueprintEntity(CoordinatorEntity):
@@ -31,7 +32,7 @@ def device_info(self):
     def device_state_attributes(self):
         """Return the state attributes."""
         return {
-            "attribution": ATTRIBUTION,
-            "id": str(self.coordinator.data.get("id")),
-            "integration": DOMAIN,
+            ATTR_ATTRIBUTION: ATTRIBUTION,
+            ATTR_ID: str(self.coordinator.data.get("id")),
+            ATTR_INTEGRATION: DOMAIN,
         }
diff --git a/custom_components/integration_blueprint/manifest.json b/custom_components/integration_blueprint/manifest.json
index 3f60f4a..2fbc284 100644
--- a/custom_components/integration_blueprint/manifest.json
+++ b/custom_components/integration_blueprint/manifest.json
@@ -1,7 +1,7 @@
 {
     "domain": "integration_blueprint",
     "name": "Integration blueprint",
-    "version": "0.0.0+dev",
+    "version": "0.0.0.dev0",
     "documentation": "https://github.com/Limych/ha-blueprint",
     "issue_tracker": "https://github.com/Limych/ha-blueprint/issues",
     "dependencies": [],