Update README.md

Author: Inokinoki

README.md

@@ -1,10 +1,10 @@
 # QEFI ![Build on Linux](https://github.com/inokinoki/qefivar/actions/workflows/build-qefi-linux-release.yml/badge.svg) [![Build on Windows](https://github.com/Inokinoki/qefivar/actions/workflows/build-qefi-windows-release.yml/badge.svg)](https://github.com/Inokinoki/qefivar/actions/workflows/build-qefi-windows-release.yml) [![Build on FreeBSD](https://github.com/Inokinoki/qefivar/actions/workflows/build-qefi-freebsd-release.yml/badge.svg)](https://github.com/Inokinoki/qefivar/actions/workflows/build-qefi-freebsd-release.yml)
 
-A Qt library to read/write EFI variables on Linux (based on efivar) or Windows (using win32 API).
+A Qt library to read/write EFI variables on Linux, FreeBSD (using system library), or Windows (using win32 API) .
 
 # Build
 
-The library depends on Qt and efivar on *nix OSes, ensure that you have one installed. On Windows, it utilizes the WIN32 API and needs Qt.
+The library only depends on Qt on Linux or *nix OSes. On Windows, it utilizes the WIN32 API and needs Qt.
 
 ```shell
 mkdir -p build