diff --git a/tupak/core/prior.py b/tupak/core/prior.py
index e1ff515a3a6d0a1bd4489aee8a77089b77e4ca50..f4316b2cd2fae6102f7f35fc098a4ca81aaf6890 100644
--- a/tupak/core/prior.py
+++ b/tupak/core/prior.py
@@ -72,8 +72,6 @@ class PriorSet(dict):
 
         Parameters
         ----------
-        prior: dict
-            dictionary of prior objects and floats
         likelihood: tupak.likelihood.GravitationalWaveTransient instance
             Used to infer the set of parameters to fill the prior with
         default_priors_file: str