diff --git a/src/core/sort.sig b/src/core/sort.sig
index f8cb376..7951e02 100644
--- a/src/core/sort.sig
+++ b/src/core/sort.sig
@@ -9,7 +9,7 @@
  * A unique feature of this ABT library is the ability to express different sorts.
  * Specifically, you can define operators which take arguments of different sorts so
  * that it's not necessary to lump types + expressions + whatever else into the same
- * collection of objects with anything distinguishing them.
+ * collection of objects without anything distinguishing them.
  *)
 signature ABT_SORT =
 sig