use own package in default install instructions

Author: ap

README.md

@@ -5,8 +5,8 @@ A very fast, multi-syntax context-sensitive color name highlighter<br>
 <img src="https://raw.githubusercontent.com/ap/vim-css-color/5377c65022ee6d660b898bad954aeea73fa613b8/screenshot.png" width="763">
 
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-<pre><code>#  <b>Install</b>:  If you use a plugin manager then follow its instructions.  Otherwise:       
-git clone https://github.com/ap/vim-css-color.git ~/.vim/pack/default/start/vim-css-color</code></pre>
+<pre><code>#  <b>Install</b>:  If you use a plugin manager then follow its instructions.  Otherwise:     
+git clone https://github.com/ap/vim-css-color.git ~/.vim/pack/css-color/start/css-color</code></pre>
 </sub><br>
 
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