Update dicomweb-standard-apis-c-sharp.md

Author: shellyhaverkamp

articles/healthcare-apis/dicom/dicomweb-standard-apis-c-sharp.md

@@ -305,7 +305,7 @@ This request searches for one or more instances within a single study and single
 
 _Details:_
 
-* GET /studies/{study}/series/{series}instances?SOPInstanceUID={instance}
+* GET /studies/{study}/series/{series}/instances?SOPInstanceUID={instance}
 
 ```c#
 string query = $"/studies/{studyInstanceUid}/series/{seriesInstanceUid}/instances?SOPInstanceUID={sopInstanceUid}";
@@ -362,4 +362,4 @@ DicomWebResponse response = await client.DeleteStudyAsync(studyInstanceUid);
 
 This response deletes the blue-circle instance (it's the only element left in the series) from the server. If it's successful, the response status code contains no content.
 
-[!INCLUDE [DICOM trademark statement](../includes/healthcare-apis-dicom-trademark.md)]
+[!INCLUDE [DICOM trademark statement](../includes/healthcare-apis-dicom-trademark.md)]