diff --git a/README.md b/README.md
index a1348794..7f5d5d56 100644
--- a/README.md
+++ b/README.md
@@ -7,8 +7,9 @@ Changes made:
 - Replaced some of the dependencies with own implementations
 - Removed `iconv-lite`
 - Removed asynchronous versions of the functions
+- The resulting bundle is an ES module (can be `import`ed)
 
-This results in a bundle size reduction from **841 kB** to **227 kB**. The package still passes Twing's original tests (except for encoding, see below).
+This results in a bundle size reduction from **841 kB** to **336 kB**. The package still passes Twing's original tests (except for encoding, see below).
 
 Caveats:
 - Non-UTF-8 runtimes have limited support