Update README.md

README.md

@@ -12,4 +12,5 @@ This dataset contains 100 causal sets per type with sizes from 512 to 2048 nodes
 - 1x destroyed
 - 1x destroyed ambiguous (so few edges flipped in a polynomial cset that it's effectively polynomial still)
 
-This is a sampled version of the causal_sets5k dataset and can be used for quick implementation tests, tutorials or similar things.  
+This is a sampled version of the causal_sets5k dataset and can be used for quick implementation tests, tutorials or similar things.
+For a better look at what these types mean, check out https://github.com/ssciwr/QuantumGrav