diff --git a/js/fc.js b/js/fc.js
index 2a6b79e5..6ac88aad 100644
--- a/js/fc.js
+++ b/js/fc.js
@@ -1127,7 +1127,7 @@ var FC = {
                 output: "none"
             },
             128: {
-                name: "IO SET",
+                name: "IO PORT SET",
                 hasOperand: [true, true],
                 output: "none"
             }