Update rules.html.md

I'm fairly sure the logic was wrong here, but please double check.
dry-rb · Sep 3, 2020 · fbf3798 · fbf3798
1 parent d57eba0
commit fbf3798
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docsite/source/rules.html.md b/docsite/source/rules.html.md
@@ -191,7 +191,7 @@ class DistanceContract < Dry::Validation::Contract
   end
 
   rule(:kilometers, :miles) do
-    if key?(:kilometers) ^ key?(:miles)
+    if key?(:kilometers) && key?(:miles)
       base.failure("must only contain one of: kilometers, miles")
     end
   end