diff --git a/homeassistant/components/twentemilieu/quality_scale.yaml b/homeassistant/components/twentemilieu/quality_scale.yaml
index 210416e56c5..3d7535a249c 100644
--- a/homeassistant/components/twentemilieu/quality_scale.yaml
+++ b/homeassistant/components/twentemilieu/quality_scale.yaml
@@ -8,10 +8,7 @@ rules:
   brands: done
   common-modules: done
   config-flow-test-coverage: done
-  config-flow:
-    status: todo
-    comment: |
-      data_description's are missing.
+  config-flow: done
   dependency-transparency: done
   docs-actions:
     status: exempt
diff --git a/homeassistant/components/twentemilieu/strings.json b/homeassistant/components/twentemilieu/strings.json
index 7797167ea0b..5c40df1b0c2 100644
--- a/homeassistant/components/twentemilieu/strings.json
+++ b/homeassistant/components/twentemilieu/strings.json
@@ -7,6 +7,11 @@
           "post_code": "Postal code",
           "house_number": "House number",
           "house_letter": "House letter/additional"
+        },
+        "data_description": {
+          "post_code": "The postal code of the address, for example 7500AA",
+          "house_number": "The house number of the address",
+          "house_letter": "The house letter or additional information of the address"
         }
       }
     },