diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8edd7bf79..c13505774 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,10 +8,13 @@
 
 ### Bug Fixes
 
+- fix: invalid example GeoJSON in swagger ([#831])
 - fix: global coverage is now returned correctly ([#821])
 
 
 [#821]: https://github.com/GIScience/ohsome-quality-api/issues/821
+[#831]: https://github.com/GIScience/ohsome-quality-api/issues/831
+[#832]: https://github.com/GIScience/ohsome-quality-api/issues/832
 
 
 ## Release  1.5.0
diff --git a/ohsome_quality_api/api/request_models.py b/ohsome_quality_api/api/request_models.py
index ec3690387..6456bddd0 100644
--- a/ohsome_quality_api/api/request_models.py
+++ b/ohsome_quality_api/api/request_models.py
@@ -41,7 +41,8 @@ class BaseBpolys(BaseConfig):
                             ]
                         ],
                     },
-                },
+                    "properties": {},
+                }
             ],
         }
     )
diff --git a/regression-tests/roads_polygon_attributecompleteness.hurl b/regression-tests/roads_polygon_attributecompleteness.hurl
index 01edde66f..d461e79a5 100644
--- a/regression-tests/roads_polygon_attributecompleteness.hurl
+++ b/regression-tests/roads_polygon_attributecompleteness.hurl
@@ -13,7 +13,7 @@ bytes count > 1900
 
 jsonpath "$.result[0].metadata.name" == "Attribute Completeness"
 jsonpath "$.result[0].topic.name" == "Roads"
-jsonpath "$.result[0].result.description" contains "The ratio of the features (all: 1034299.9) compared to features with expected tags (matched: 276785.2) is 0.27."
+jsonpath "$.result[0].result.description" contains "The ratio of the features (all: 1034408.4) compared to features with expected tags (matched: 278118.2) is 0.27. Around 25-75% of the features match the expected tags."
 jsonpath "$.result[0].result.figure.data[0].gauge.steps[0].color" == "tomato"
 jsonpath "$.result[0].result.label" == "yellow"
 
diff --git a/regression-tests/roads_polygon_mappingsaturation.hurl b/regression-tests/roads_polygon_mappingsaturation.hurl
index 9ca7cf5ac..d57670acf 100644
--- a/regression-tests/roads_polygon_mappingsaturation.hurl
+++ b/regression-tests/roads_polygon_mappingsaturation.hurl
@@ -12,7 +12,7 @@ status == 200
 bytes count > 24000
 
 jsonpath "$.result[0].topic.name" == "Roads"
-jsonpath "$.result[0].result.description" contains "The saturation of the last 3 years is 98.3%.High saturation has been reached (97% < Saturation ≤ 100%)."
+jsonpath "$.result[0].result.description" contains "The saturation of the last 3 years is 98.46%.High saturation has been reached (97% < Saturation ≤ 100%)."
 jsonpath "$.result[0].result.figure.data[0].line.color" == "#2185D0"
 jsonpath "$.result[0].result.label" == "green"