Update api-management-sample-send-request.md

Author: SamaraSoucy-MSFT

articles/api-management/api-management-sample-send-request.md

@@ -188,22 +188,22 @@ Once you have this information, you can make requests to all the backend systems
 
 ```xml
 <send-request mode="new" response-variable-name="revenuedata" timeout="20" ignore-error="true">
-  <set-url>@($"https://accounting.acme.com/salesdata?from={(string)context.Variables["fromDate"]}&to={(string)context.Variables["fromDate"]}")"</set-url>
+  <set-url>@($"https://accounting.acme.com/salesdata?from={(string)context.Variables["fromDate"]}&to={(string)context.Variables["fromDate"]}")</set-url>
   <set-method>GET</set-method>
 </send-request>
 
 <send-request mode="new" response-variable-name="materialdata" timeout="20" ignore-error="true">
-  <set-url>@($"https://inventory.acme.com/materiallevels?from={(string)context.Variables["fromDate"]}&to={(string)context.Variables["fromDate"]}")"</set-url>
+  <set-url>@($"https://inventory.acme.com/materiallevels?from={(string)context.Variables["fromDate"]}&to={(string)context.Variables["fromDate"]}")</set-url>
   <set-method>GET</set-method>
 </send-request>
 
 <send-request mode="new" response-variable-name="throughputdata" timeout="20" ignore-error="true">
-<set-url>@($"https://production.acme.com/throughput?from={(string)context.Variables["fromDate"]}&to={(string)context.Variables["fromDate"]}")"</set-url>
+<set-url>@($"https://production.acme.com/throughput?from={(string)context.Variables["fromDate"]}&to={(string)context.Variables["fromDate"]}")</set-url>
   <set-method>GET</set-method>
 </send-request>
 
 <send-request mode="new" response-variable-name="accidentdata" timeout="20" ignore-error="true">
-<set-url>@($"https://production.acme.com/accidentdata?from={(string)context.Variables["fromDate"]}&to={(string)context.Variables["fromDate"]}")"</set-url>
+<set-url>@($"https://production.acme.com/accidentdata?from={(string)context.Variables["fromDate"]}&to={(string)context.Variables["fromDate"]}")</set-url>
   <set-method>GET</set-method>
 </send-request>
 ```