diff --git a/articles/communication-services/how-tos/call-automation/includes/audio-streaming-quickstart-csharp.md b/articles/communication-services/how-tos/call-automation/includes/audio-streaming-quickstart-csharp.md
index 58d1b07d1918f..ab0ab30505846 100644
--- a/articles/communication-services/how-tos/call-automation/includes/audio-streaming-quickstart-csharp.md
+++ b/articles/communication-services/how-tos/call-automation/includes/audio-streaming-quickstart-csharp.md
@@ -145,7 +145,7 @@ After sending the metadata packet, Azure Communication Services (ACS) will begin
 ```
 
 #### DTMF example 
-When DTMF is enabled Azure Communication Servives sends a `DtmfData` type.
+When DTMF is enabled Azure Communication Services sends a `DtmfData` type.
 
 ``` json
 {