Fixed checkResult function in case of passing string

Change-Id: I31db1ce1723e6d42a256655808c7e2ba5136ef94
diff --git a/src/com/mirantis/mk/Salt.groovy b/src/com/mirantis/mk/Salt.groovy
index 97f86ab..110ef93 100644
--- a/src/com/mirantis/mk/Salt.groovy
+++ b/src/com/mirantis/mk/Salt.groovy
@@ -562,7 +562,7 @@
                             }
                         }
                     }else if(node!=null && node!=""){
-                        outputResources.add(String.format("Resource: %s\n\u001B[36m%s\u001B[0m", resKey, common.prettify(node)))
+                        outputResources.add(String.format("Resource: %s\n\u001B[36m%s\u001B[0m", nodeKey, common.prettify(node)))
                     }
                     if(printResults && !outputResources.isEmpty()){
                         wrap([$class: 'AnsiColorBuildWrapper']) {