Update web/CHANGELOG.md

Co-authored-by: Kevin Moore <[email protected]>

Author: rutvik110

web/CHANGELOG.md

@@ -10,9 +10,7 @@
   `getter`s and `setter`s, respectively.
 - Exposed constants with primitive values as non-`external` so they can be
   `switch`ed over.
-- Adding a `JS(LegacyNamespace.$extensionTypeName)` annotation on generated `JS` 
-  objects if they have an IDL extended attribute `[LegacyNamespace=Foo]` defined 
-  in their IDL description.
+- Correctly namespace `WebAssembly` types.
 
 ## 1.0.0