minor update for release 1.27.15

Author: sreejithgs

docs/configure/config-map.md

@@ -34,7 +34,7 @@ The values for the following environment variables in the Citrix ingress control
 
 - JSONLOG: Set this argument to true if log messages are required in JSON format.
 
-- NS_ADNS_IPS: Enables configuring Citrix ADC as a DNS server.
+- NS_ADNS_IPS: Enables configuring Citrix ADC as an ADNS server.
 
 For more information about profile environment variables (FRONTEND_HTTP_PROFILE, FRONTEND_TCP_PROFILE, and FRONTEND_SSL_PROFILE), see [Configure HTTP, TCP, or SSL profiles on Citrix ADC](https://developer-docs.citrix.com/projects/citrix-k8s-ingress-controller/en/latest/configure/profiles/).