Get websocket domain info from ENV: fix error log

websocket_utils/websocket_utils.go

@@ -23,7 +23,7 @@ type APIGateWayClientWithHelpers struct {
 func GetClient(region ...string) *APIGateWayClientWithHelpers {
 	domainName := os.Getenv("WEBSOCKET_DOMAIN_NAME")
 	if domainName == "" {
-		logs.ErrorMsg("WEBSOCKET_API_DOMAIN_NAME env variable is not set")
+		logs.ErrorMsg("WEBSOCKET_DOMAIN_NAME env variable is not set")
 		return &APIGateWayClientWithHelpers{}
 	}