fixed description typo on id3v2

fixed: #3249

Signed-off-by: Avelino <t@avelino.xxx>

README.md

@@ -122,7 +122,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [go_mediainfo](https://github.com/zhulik/go_mediainfo) - libmediainfo bindings for go.
 * [GoAudio](https://github.com/DylanMeeus/GoAudio) - Native Go Audio Processing Library.
 * [gosamplerate](https://github.com/dh1tw/gosamplerate) - libsamplerate bindings for go.
-* [id3v2](https://github.com/bogem/id3v2) - Fast and powerful ID3 decoding and encodung library written completely in Go.
+* [id3v2](https://github.com/bogem/id3v2) - ID3 decoding and encoding library for Go
 * [malgo](https://github.com/gen2brain/malgo) - Mini audio library.
 * [minimp3](https://github.com/tosone/minimp3) - Lightweight MP3 decoder library.
 * [mix](https://github.com/go-mix/mix) - Sequence-based Go-native audio mixer for music apps.