Improve docs for LikePriorEval

bilby/core/sampler/ptemcee.py

@@ -892,7 +892,12 @@ def init(likelihood_in, priors_in):
 
 class LikePriorEvaluator(object):
     """
-    A overwrite of the ptemcee.LikePriorEvaluator to use bilby likelihood and priors
+    This class is copied and modified from ptemcee.LikePriorEvaluator, see
+    https://github.com/willvousden/ptemcee for the original version
+
+    We overwrite the logl and logp methods in order to improve the performance
+    when using a MultiPool object: essentially reducing the amount of data
+    transfer overhead.
 
     """