diff --git a/catmap/analyze/mechanism.py b/catmap/analyze/mechanism.py
index 438f0ecf..a39aa6eb 100755
--- a/catmap/analyze/mechanism.py
+++ b/catmap/analyze/mechanism.py
@@ -15,7 +15,7 @@ class MechanismAnalysis(MechanismPlot,ReactionModelWrapper,MapPlot):
     """
     def __init__(self,reaction_model=None):
         """
-        Class for generating potential energy diagrams.
+        Class for generating potential energy diagrams. Pressure corrections (kb*T*log(P)) are included by default.
 
         :param reaction_model: The ReactionModel object to load.
         """