Update README.md

Author: caphosra

README.md

@@ -3,12 +3,12 @@ Using this library, you can create simple wave file quickly.
 
 ## Description
 
-With this, you can write code to create audio files quickly.:dash: And you can create audio files without struggle with binary files!:smile:  
-Even if you are not good at file operations, you can write code intuitively!:ok_woman:  
+With this, you can write code to create audio files quickly.:dash: And you can create audio files without struggle with binary files!:ok_hand:  
+Even if you are not good at file operations, you can write code intuitively!:smile:  
 
 This library was originally developed for C#, but now, it is developed for C++.
 This project has been reborn for C++!:clap:
-It means this library doesn't depend on .NET framework.
+It means this library doesn't depend on .NET framework!:relaxed:
 If you want to use this on C#, you can download C# edition in the release page but it maybe not latest version.
 
 ## Requirement