diff --git a/homeassistant/components/soma/manifest.json b/homeassistant/components/soma/manifest.json
index 397531562b1..a724a3d4485 100644
--- a/homeassistant/components/soma/manifest.json
+++ b/homeassistant/components/soma/manifest.json
@@ -2,7 +2,7 @@
   "domain": "soma",
   "name": "Soma Connect",
   "config_flow": true,
-  "documentation": "",
+  "documentation": "https://www.home-assistant.io/integrations/soma",
   "dependencies": [],
   "codeowners": ["@ratsept"],
   "requirements": ["pysoma==0.0.10"]
diff --git a/script/hassfest/manifest.py b/script/hassfest/manifest.py
index 5ce9a1f75d5..2166830d9e4 100644
--- a/script/hassfest/manifest.py
+++ b/script/hassfest/manifest.py
@@ -23,7 +23,9 @@ MANIFEST_SCHEMA = vol.Schema(
             vol.All([vol.All(vol.Schema({}, extra=vol.ALLOW_EXTRA), vol.Length(min=1))])
         ),
         vol.Optional("homekit"): vol.Schema({vol.Optional("models"): [str]}),
-        vol.Required("documentation"): str,
+        vol.Required(
+            "documentation"
+        ): vol.Url(),  # pylint: disable=no-value-for-parameter
         vol.Optional("quality_scale"): vol.In(SUPPORTED_QUALITY_SCALES),
         vol.Required("requirements"): [str],
         vol.Required("dependencies"): [str],