diff --git a/.github/workflows/hassfest.yml b/.github/workflows/hassfest.yml
new file mode 100644
index 0000000..18c7d19
--- /dev/null
+++ b/.github/workflows/hassfest.yml
@@ -0,0 +1,14 @@
+name: Validate with hassfest
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  validate:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v2"
+      - uses: home-assistant/actions/hassfest@master
diff --git a/README.md b/README.md
index 6b00c37..7e64194 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,11 @@
 # ecopower_dynamic_grid_prices
 
+--------
 
-Work in progress ! This will become a HomeAssistant integration. 
-FOR THE TIME BEING, IT IS VERY INCOMPLETE AND UNTESTED
+Work in progress !
+FOR THE TIME BEING, IT IS INSUFFICIENTLY TESTED
+
+---------
 
 This integration will periodically pull the dynamic grid prices from the Belgian Ecopower (trial) API.
 I know similar integrations exist, but this one wont need a dependency on node-red. 
diff --git a/custom_components/ecopower_dynamic_grid_prices/manifest.json b/custom_components/ecopower_dynamic_grid_prices/manifest.json
index dcbbce6..0e9ab2c 100644
--- a/custom_components/ecopower_dynamic_grid_prices/manifest.json
+++ b/custom_components/ecopower_dynamic_grid_prices/manifest.json
@@ -3,7 +3,7 @@
   "name": "EcopowerPrices",
   "version": "0.0.1",
   "config_flow": true,
-  "documentation": "https:/github.com/infradom/ecopower_dynamic_grid_prices",
+  "documentation": "https://github.com/infradom/ecopower_dynamic_grid_prices",
   "issue_tracker": "https://github.com/infradom/ecopower_dynamic_grid_prices/issues",
   "requirements": [],
   "ssdp": [],