Update README.md

README.md

@@ -21,7 +21,7 @@ My shot at creating a brainfuck interpreter in C#
  For further information about the various options that the build command supports refer to the [documentation](https://learn.microsoft.com/en-us/dotnet/core/tools/dotnet-build) 
 
  ## Usage   
- `BrainFuckInterpreter [option] [file]`
+ `bf [option] [file]`
 
  Here the options and input file are optional. 
  If no file is provided the program reads the code from standard input until it encounters an empty line input.