diff --git a/tools/update_typescript.md b/tools/update_typescript.md
index 5e454dd23e..396d11cba0 100644
--- a/tools/update_typescript.md
+++ b/tools/update_typescript.md
@@ -70,7 +70,7 @@ contextual awareness, it is the author's opinion that it is best to spend the
    - Revert/merge any changes to lib files that provide forward support. This is
      the "hardest" thing, because you need to assess if the updated version of
      TypeScript now includes the type definitions that we forward support.
-     Currently there are three:
+     Currently there the following:
 
      - `lib.esnext.array.d.ts` contains additional array APIs. These likely will
        be moved to ES2022 at some point, but currently only the