diff --git a/README.md b/README.md
index 578a8e6..4d35dac 100644
--- a/README.md
+++ b/README.md
@@ -4,11 +4,14 @@ This component has been created to be used with Home Assistant.
 
 DRK Blutspende allows you to get upcoming dates for blood donation into Home Assistant.
 
-## Data source
+### Data source
 
-The data is fetched from https://www.spenderservice.net/
+The data is fetched from https://www.spenderservice.net/.
 
-## ### Installation:
+**Warning:**
+As this is no official API this component can break at any time if they decide to change their website structure.
+
+### Installation:
 
 #### HACS
 
diff --git a/custom_components/drkblutspende/sensor.py b/custom_components/drkblutspende/sensor.py
index 10e955a..66db262 100644
--- a/custom_components/drkblutspende/sensor.py
+++ b/custom_components/drkblutspende/sensor.py
@@ -11,7 +11,7 @@
 
 import homeassistant.helpers.config_validation as cv
 import voluptuous as vol
-from const import (
+from .const import (
     CONF_COUNTY_ID,
     CONF_LOOKAHEAD,
     CONF_RADIUS,
diff --git a/hacs.json b/hacs.json
index fe76714..a27ef93 100644
--- a/hacs.json
+++ b/hacs.json
@@ -1,4 +1,5 @@
 {
     "name": "DRK Blutspende",
+    "country": "DE",
     "render_readme": true
 }