all: do not use unix-like wording

Author: changkun

README.md

@@ -8,7 +8,7 @@ import "golang.design/x/clipboard"
 
 ## Features
 
-- Cross platform supports: macOS, Unix-like (X11), and Windows
+- Cross platform supports: macOS, Linux (X11), and Windows
 - Copy/paste UTF-8 text
 - Copy/paste PNG encoded images
 - Command `gclip` as a demo application
@@ -109,8 +109,8 @@ accessing system clipboards, but here are a few details you might need to know.
 
 ### Dependency
 
-- Unix-like users: require X11 dev package. For instance, Linux users should install `libx11-dev` or `xorg-dev` or `libX11-devel` to access X window system.
 - macOS users: require Cgo, no dependency
+- Linux users: require X11 dev package. For instance, install `libx11-dev` or `xorg-dev` or `libX11-devel` to access X window system.
 - Windows users: no Cgo, no dependency
 
 ### Screenshot

clipboard_linux.go

@@ -4,8 +4,8 @@
 //
 // Written by Changkun Ou <changkun.de>
 
-//go:build linux
 // +build linux
+//go:build linux
 
 package clipboard