diff --git a/src/acsets/schemas/catlab/SummationDecapode.json b/src/acsets/schemas/catlab/SummationDecapode.json
index 4af1a3f..5808f78 100644
--- a/src/acsets/schemas/catlab/SummationDecapode.json
+++ b/src/acsets/schemas/catlab/SummationDecapode.json
@@ -23,7 +23,7 @@
     {
       "name": "Op2",
       "description": null,
-      "title": "Bianry Operation"
+      "title": "Binary Operation"
     },
     {
       "name": "Σ",