diff --git a/AlgebraicDataflowArchitectureModel/models/DataStore.model b/AlgebraicDataflowArchitectureModel/models/DataStore.model
index 5aa585c..620c487 100644
--- a/AlgebraicDataflowArchitectureModel/models/DataStore.model
+++ b/AlgebraicDataflowArchitectureModel/models/DataStore.model
@@ -1,5 +1,5 @@
 channel addAccounts {
-	out accounts(account: Map, addAccounts(id: Str, name: Str, age: Int)) = insert(accounts, id, {"name": name, "age": age})
+	out accounts(accounts: Map, addAccounts(id: Str, name: Str, age: Int)) = insert(accounts, id, {"name": name, "age": age})
 }
 
 channel changeAccountsName(id: Str) {