diff --git a/schema.js b/schema.js
index 1a8ecee..317e2fc 100644
--- a/schema.js
+++ b/schema.js
@@ -76,7 +76,7 @@ module.provide (
 
    Group, // (name, qname, id, super_, ns, annots, loc)
 
-   // Type definition constructor, creates a type definiftion
+   // Type definition constructor, creates a type definition
 
    Define, // (name, qname, id, ns, annots, loc)