diff --git a/website/src/playground/files/root/examples/quickSort.ts b/website/src/playground/files/root/examples/quickSort.ts
index 18028495..4746aef1 100644
--- a/website/src/playground/files/root/examples/quickSort.ts
+++ b/website/src/playground/files/root/examples/quickSort.ts
@@ -8,9 +8,7 @@ function quickSort<T>(vals: T[], cmp: (a: T, b: T) => number) {
   // Demonstrates the ability to do in-place updates in ValueScript.
   //
   // There's only one reference to `vals`, so we can mutate it in-place
-  // without violating value semantics. (Disclaimer: ValueScript doesn't
-  // yet know that it can drop the reference to `x` from the call site,
-  // so there is one copy of the array.)
+  // without violating value semantics.
   //
   // More on quickSort:
   // https://www.youtube.com/watch?v=Hoixgm4-P4M