diff --git a/Objective-J/acorn.js b/Objective-J/acorn.js
index ecb45a35f..6561f2d69 100644
--- a/Objective-J/acorn.js
+++ b/Objective-J/acorn.js
@@ -96,7 +96,7 @@ if (!exports.acorn) {
     // When `location` is on, you can pass this to record the source
     // file in every node's `loc` object.
     sourceFile: null,
-    // Turn on objj to allow objj systax
+    // Turn on objj to allow Objective-J syntax
     objj: true
   };