Update readme

Author: Bruno Sutic

README.md

@@ -30,12 +30,12 @@ binding in copy mode. In `v2.0.0` this key binding was changed to `Y` (shift-y).
 #### OS X requirements
 
 - [reattach-to-user-namespace](https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard)<br/>
-  *Note*: Beginning with OSX Yosemite (10.10), `pbcopy` is reported to work correctly with `tmux`, so we believe `reattach-to-user-namespace` is not needed anymore. Please install it in case the plugin doesn't work for you.
+  Install with brew `$ brew install reattach-to-user-namespace` or
+  macports `$ sudo port install tmux-pasteboard`.
 
-  For previous OSX versions, you need to install it:
-  `$ brew install reattach-to-user-namespace`.<br/>
-Alternatively, if you are using MacPorts, install via:<br/>
-  `$ sudo port install tmux-pasteboard`
+  *Note*: Beginning with OSX Yosemite (10.10), `pbcopy` is reported to work
+  correctly with `tmux`, so we believe `reattach-to-user-namespace` is not
+  needed anymore. Please install it in case the plugin doesn't work for you.
 
 #### Linux requirements
 
@@ -44,24 +44,6 @@ Alternatively, if you are using MacPorts, install via:<br/>
   - Debian / Ubuntu: `$ sudo apt-get install xclip` or `$ sudo apt-get install xsel`
   - Red hat / CentOS: `$ yum install xclip` or `$ yum install xsel`
 
-### Copy command
-
-**OS X**
-
-Copying to clipboard is done using `pbcopy`.
-
-**Linux**
-
-Copying to clipboard is done using `xclip -selection clipboard` or `xsel --clipboard` command by default.
-
-If copying is different on your system, and you need the command to be i.e.
-`xclip -selection primary` or `xsel -i --primary`, here's how to customize:
-
-    # in .tmux.conf
-    set -g @yank_selection 'primary'
-
-Warning: Use full names as option ('primary', 'secondary', 'clipboard')
-
 ### Notes
 
 **Mouse Support**
@@ -75,6 +57,19 @@ Instead, press `y` before releasing mouse.
     # in .tmux.conf
     set -g @shell_mode 'vi'
 
+**Linux clipboard**
+
+Copying to clipboard is done using `xclip -selection clipboard` or
+`xsel --clipboard` command by default.
+
+If copying is different on your system, and you need the command to be i.e.
+`xclip -selection primary` or `xsel -i --primary`, here's how to customize:
+
+    # in .tmux.conf
+    set -g @yank_selection 'primary'
+
+Use full names as option ('primary', 'secondary', 'clipboard')
+
 ### Installation with [Tmux Plugin Manager](https://github.com/tmux-plugins/tpm) (recommended)
 
 Add plugin to the list of TPM plugins in `.tmux.conf`: