diff --git a/default.yaml b/default.yaml
index 007d8e18..653737d3 100644
--- a/default.yaml
+++ b/default.yaml
@@ -425,7 +425,7 @@ accounts:
             max-attempts: 30
 
         # this is the bcrypt cost we'll use for account passwords
-        # (note that 4 is the lowest value allowed by the bcrypt library)
+        # (note that 4 is the lowest and 31 is the highest value allowed by the bcrypt library)
         bcrypt-cost: 4
 
         # length of time a user has to verify their account before it can be re-registered
diff --git a/traditional.yaml b/traditional.yaml
index 0e36ec8c..6d3a7a62 100644
--- a/traditional.yaml
+++ b/traditional.yaml
@@ -397,7 +397,7 @@ accounts:
             max-attempts: 30
 
         # this is the bcrypt cost we'll use for account passwords
-        # (note that 4 is the lowest value allowed by the bcrypt library)
+        # (note that 4 is the lowest and 31 is the highest value allowed by the bcrypt library)
         bcrypt-cost: 4
 
         # length of time a user has to verify their account before it can be re-registered