diff --git a/ddToolbox/models/parametric_models/beta_delta_models/DF_BetaDelta.m b/ddToolbox/models/parametric_models/beta_delta_models/DF_BetaDelta.m
index 180ab674..021409fa 100644
--- a/ddToolbox/models/parametric_models/beta_delta_models/DF_BetaDelta.m
+++ b/ddToolbox/models/parametric_models/beta_delta_models/DF_BetaDelta.m
@@ -1,4 +1,5 @@
 classdef DF_BetaDelta < DF1
+%DF_BetaDelta Deterministic object for the Beta Delta discount function.
 
 	properties (Dependent)
 
diff --git a/ddToolbox/models/parametric_models/beta_delta_models/ModelHierarchicalBetaDelta.m b/ddToolbox/models/parametric_models/beta_delta_models/ModelHierarchicalBetaDelta.m
index 4ecbea5b..e4f30cdc 100644
--- a/ddToolbox/models/parametric_models/beta_delta_models/ModelHierarchicalBetaDelta.m
+++ b/ddToolbox/models/parametric_models/beta_delta_models/ModelHierarchicalBetaDelta.m
@@ -1,5 +1,5 @@
 classdef ModelHierarchicalBetaDelta < BetaDelta
-	%ModelHierarchical A model to estimate the log discount rate, according to the 1-parameter hyperbolic discount function.
+	%ModelHierarchicalBetaDelta Model class for fully hierarchical estimation of the beta-delta discount function.
     %  All parameters are estimated hierarchically.
 
 	methods (Access = public, Hidden = true)
diff --git a/ddToolbox/models/parametric_models/beta_delta_models/ModelMixedBetaDelta.m b/ddToolbox/models/parametric_models/beta_delta_models/ModelMixedBetaDelta.m
index bbbb89b1..119839e0 100644
--- a/ddToolbox/models/parametric_models/beta_delta_models/ModelMixedBetaDelta.m
+++ b/ddToolbox/models/parametric_models/beta_delta_models/ModelMixedBetaDelta.m
@@ -1,5 +1,5 @@
 classdef ModelMixedBetaDelta < BetaDelta
-	%ModelMixedBetaDelta A model to estimate the log discount rate, according to the 2-parameter hyperboloid discount function.
+	%ModelMixedBetaDelta Model for BetaDelta discount function, partial pooling
 	%  SOME parameters are estimated hierarchically.
 
 	methods (Access = public, Hidden = true)
diff --git a/ddToolbox/models/parametric_models/beta_delta_models/ModelSeparateBetaDelta.m b/ddToolbox/models/parametric_models/beta_delta_models/ModelSeparateBetaDelta.m
index 323c8562..ffbee788 100644
--- a/ddToolbox/models/parametric_models/beta_delta_models/ModelSeparateBetaDelta.m
+++ b/ddToolbox/models/parametric_models/beta_delta_models/ModelSeparateBetaDelta.m
@@ -1,5 +1,5 @@
 classdef ModelSeparateBetaDelta < BetaDelta
-	%ModelHierarchical A model to estimate the magnitide effect
+	%ModelSeparateBetaDelta Model for BetaDelta discount function, no parameter pooling
 	%  NO parameters are estimated hierarchically.
 
 	methods (Access = public, Hidden = true)