diff --git a/stix2/environment.py b/stix2/environment.py
index 99b4a5e..672fb11 100644
--- a/stix2/environment.py
+++ b/stix2/environment.py
@@ -207,7 +207,7 @@ class Environment(DataStoreMixin):
             prop_scores: A dictionary that can hold individual property scores,
                 weights, contributing score, matching score and sum of weights.
             weight_dict: A dictionary that can be used to override settings
-                in the semantic equivalence process
+                in the similarity process
 
         Returns:
             float: A number between 0.0 and 100.0 as a measurement of similarity.