Update README.md

Author: orangeSi

README.md

@@ -1,6 +1,8 @@
 # ClustersPloter
 #### install:<br>
-```git clone```
+```
+git clone
+```
 
 #### usage:<br>
 ```
@@ -24,7 +26,7 @@
 &nbsp;&nbsp;&nbsp;&nbsp; welcome to call me at the issue<br>
 
 #### todo:<br>
-&nbsp;&nbsp;&nbsp;2018-10-29:
+&nbsp;&nbsp;2018-10-29:<br>
 &nbsp;&nbsp;&nbsp;&nbsp;1. plot tracks by sort sample list, or you can adjust the track order by adjust list file <br>
 &nbsp;&nbsp;&nbsp;&nbsp;3. sort by feature,so same feature of different tracks can align centre<br>
 &nbsp;&nbsp;&nbsp;&nbsp;4. add ratio scale in the bottom to recognise the approximate length of every feature <br> <br>