Fix comment

Change-Id: I69fdec826b1578777020759f5f4144d4057db1d9
diff --git a/core/store/dist/src/main/java/org/onosproject/store/newresource/impl/ConsistentResourceStore.java b/core/store/dist/src/main/java/org/onosproject/store/newresource/impl/ConsistentResourceStore.java
index afac1bc..1d89e11 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/newresource/impl/ConsistentResourceStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/newresource/impl/ConsistentResourceStore.java
@@ -403,7 +403,7 @@
         return Stream.concat(discreteStream, continuousStream).collect(Collectors.toList());
     }
 
-    // computational complexity: O(n)
+    // computational complexity: O(1)
     @Override
     public Set<Resource> getChildResources(DiscreteResourceId parent) {
         checkNotNull(parent);