Update README.md

README.md

@@ -45,8 +45,9 @@ Otherwise, our `test` set will lead to both epistemic and aleatoric uncertainty.
 In related literature, such 'mixed' splits are sometimes denoted as *dirty* splits.
 
 ### Assessment and Validity
-For a brief discussion of the strength and weaknesses of this dataset, 
-including a quantitative comparison to the (only) other ambiguous datasets available in the literature, we refer to our paper.
+For a brief discussion of the strength and weaknesses of this dataset we refer to our paper.
+Please note that our images are not typically realistic - 
+i.e., while they represent multiple classes and thus have an ambiguous ground truth, they do not resemble real-world photographs.
 
 ### Paper
 Pre-print here: [https://arxiv.org/abs/2207.10495](https://arxiv.org/abs/2207.10495)