Update application-gateway-diagnostics.md

Author: MJyot

articles/application-gateway/application-gateway-diagnostics.md

@@ -226,7 +226,7 @@ If the application gateway cannot complete the request, it stores one of the fol
    | ERRORINFO_INVALID_HOST	|The value provided in the "Host" header is either missing, improperly formatted, or does not match the expected host value.Possible reasons: There is no Basic listener configured and none of the hostnames of the Multisite listener is matching with the host| 
    | ERRORINFO_INVALID_CONTENT_LENGTH |	The length of the content specified by the client in the content-Length header does not match the actual length of the content in the request|
    | ERRORINFO_INVALID_METHOD_TRACE | The  client sent HTTP TRACE method which is not supported by the application gateway|
-   |  ERRORINFO_CLIENT_CLOSED_REQUEST |	The client closed the connection with the application gateway before the idle timeout period elapsed.Check whether the client timeout period is greater than the [idle timeout period](./application-gateway-faq#what-are-the-settings-for-keep-alive-timeout-and-tcp-idle-timeout) for the application gateway |
+   |  ERRORINFO_CLIENT_CLOSED_REQUEST |	The client closed the connection with the application gateway before the idle timeout period elapsed.Check whether the client timeout period is greater than the [idle timeout period](./application-gateway-faq.yml#what-are-the-settings-for-keep-alive-timeout-and-tcp-idle-timeout) for the application gateway |
    | ERRORINFO_REQUEST_URI_INVALID	|Indicates issue with the Uniform Resource Identifier (URI) provided in the client's request |
    |  ERRORINFO_HTTP_NO_HOST_HEADER	| Client sent a request without Host header |
    | ERRORINFO_HTTP_TO_HTTPS_PORT	| The client sent plain HTTP request to HTTPS port |