diff --git a/specification/maps/data-plane/Microsoft.Maps/Dataset/preview/2.0/dataset.json b/specification/maps/data-plane/Microsoft.Maps/Dataset/preview/2.0/dataset.json
index 5d7134c83cb3..28318cb9aa31 100644
--- a/specification/maps/data-plane/Microsoft.Maps/Dataset/preview/2.0/dataset.json
+++ b/specification/maps/data-plane/Microsoft.Maps/Dataset/preview/2.0/dataset.json
@@ -178,7 +178,7 @@
       "name": "datasetId",
       "type": "string",
       "in": "query",
-      "description": "The ID for the dataset to append with. The dataset must originate from a conversion [ontology](https://docs.microsoft.com/en-us/azure/azure-maps/creator-facility-ontology) that matches conversionId",
+      "description": "The ID for the dataset to append with. The dataset must originate from a previous dataset creation call that matches the datasetId",
       "required": false,
       "x-ms-parameter-location": "method"
     },
diff --git a/specification/maps/data-plane/Microsoft.Maps/WFS/preview/1.0/wfs.json b/specification/maps/data-plane/Microsoft.Maps/WFS/preview/1.0/wfs.json
index c7dd3e056aba..b3f019323d54 100644
--- a/specification/maps/data-plane/Microsoft.Maps/WFS/preview/1.0/wfs.json
+++ b/specification/maps/data-plane/Microsoft.Maps/WFS/preview/1.0/wfs.json
@@ -168,7 +168,7 @@
       "name": "filter",
       "in": "query",
       "type": "string",
-      "description": "Filter expression to search for features with specific property values in a given collection. Only feature properties of scalar type and equals operator are supported.\nThis is a special parameter where the parameter name is the property name. The scheme for this parameter is {property name}={property value}. Unless \"filter\" is one of the property names in the collection, \"filter\" should not be used as a parameter name. To search for features with \"name\" property value \"21N13\", use \"name=21N13\".\nMultiple filters are supported and should be represented as multiple query parameters. E.g., <property1>=<value1>&<property2>=<value2> String values are case sensitive.",
+      "description": "Filter expression to search for features with specific property values in a given collection. Only feature properties of scalar type and equals operator are supported.\nThis is a special parameter where the parameter name is a case sensitive property name. The scheme for this parameter is {property name}={property value}. Unless \"filter\" is one of the property names in the collection, \"filter\" should not be used as a parameter name. To search for features with \"name\" property value \"21N13\", use \"name=21N13\".\nMultiple filters are supported and should be represented as multiple query parameters. E.g., <property1>=<value1>&<property2>=<value2> String values are case sensitive.",
       "x-ms-parameter-location": "method"
     },
     "Bbox": {
diff --git a/specification/maps/data-plane/Microsoft.Maps/WFS/preview/2.0/wfs.json b/specification/maps/data-plane/Microsoft.Maps/WFS/preview/2.0/wfs.json
index 434a9e6bdbf2..dbd9c75202c5 100644
--- a/specification/maps/data-plane/Microsoft.Maps/WFS/preview/2.0/wfs.json
+++ b/specification/maps/data-plane/Microsoft.Maps/WFS/preview/2.0/wfs.json
@@ -159,7 +159,7 @@
       "name": "filter",
       "in": "query",
       "type": "string",
-      "description": "Filter expression to search for features with specific property values in a given collection. Only feature properties of scalar type and equals operator are supported.\nThis is a special parameter where the parameter name is the property name. The scheme for this parameter is {property name}={property value}. Unless \"filter\" is one of the property names in the collection, \"filter\" should not be used as a parameter name. To search for features with \"name\" property value \"21N13\", use \"name=21N13\".\nMultiple filters are supported and should be represented as multiple query parameters. E.g., <property1>=<value1>&<property2>=<value2> String values are case sensitive.",
+      "description": "Filter expression to search for features with specific property values in a given collection. Only feature properties of scalar type and equals operator are supported.\nThis is a special parameter where the parameter name is a case sensitive property name. The scheme for this parameter is {property name}={property value}. Unless \"filter\" is one of the property names in the collection, \"filter\" should not be used as a parameter name. To search for features with \"name\" property value \"21N13\", use \"name=21N13\".\nMultiple filters are supported and should be represented as multiple query parameters. E.g., <property1>=<value1>&<property2>=<value2> String values are case sensitive.",
       "x-ms-parameter-location": "method"
     },
     "Bbox": {