Fix feature name in README
bitmap_backend -> bitmap_encoder
@@ -507,7 +507,7 @@ The following list is a complete list of features that can be opt in and out.
| Name | Description | Additional Dependency |Default?|
|---------|--------------|--------|------------|
-| bitmap\_encoder | Allow `BitMapBackend` save the result to bitmap files | image, rusttype, font-kit | Yes |
+| bitmap\_backend | Allow `BitMapBackend` save the result to bitmap files | image, rusttype, font-kit | Yes |
| svg\_backend | Enable `SVGBackend` Support | None | Yes |
| bitmap\_gif| Opt-in GIF animation Rendering support for `BitMapBackend`, implies `bitmap` enabled | gif | Yes |
