diff --git a/AsyncDisplayKit/ASDisplayNode.mm b/AsyncDisplayKit/ASDisplayNode.mm
index 46f8012849..40fa4c6cc3 100644
--- a/AsyncDisplayKit/ASDisplayNode.mm
+++ b/AsyncDisplayKit/ASDisplayNode.mm
@@ -2272,7 +2272,7 @@ void recursivelyTriggerDisplayForLayer(CALayer *layer, BOOL shouldBlock)
     return _layoutSpecBlock(self, constrainedSize);
   }
   
-  ASDisplayNodeAssert(NO, @"-[ASDisplayNode layoutSpecThatFits:] should never fall through to return empty value");
+  ASDisplayNodeAssert(NO, @"-[ASDisplayNode layoutSpecThatFits:] should never return an empty value. One way this is caused is by calling -[super layoutSpecThatFits:] which is not currently supported.");
   return [[ASLayoutSpec alloc] init];
 }