Update README.md

@@ -41,22 +41,26 @@ For example, use ffmpeg to publish:
         sleep 1; \
     done
 </pre>
-step 6: play live stream. add server ip to hosts as dev:<br/>
-# /etc/hosts <br/>
-# C:\Windows\System32\drivers\etc\hosts <br/>
-192.168.2.111 dev <br/>
+step 6: add server ip to hosts as dev. <br/>
+<pre>
+# edit the folowing file:
+# linux: /etc/hosts
+# windows: C:\Windows\System32\drivers\etc\hosts
+192.168.2.111 dev 
+</pre>
+step 7: play live stream. <br/>
 <pre>
 rtmp url: rtmp://dev:1935/live/livestream
 m3u8 url: http://dev:80/live/livestream.m3u8
 </pre>
-step 7: play live stream auto transcoded<br/>
+step 8: play live stream auto transcoded<br/>
 <pre>
 rtmp url: rtmp://dev:1935/live/livestream_ld
 m3u8 url: http://dev:80/live/livestream_ld.m3u8
 rtmp url: rtmp://dev:1935/live/livestream_sd
 m3u8 url: http://dev:80/live/livestream_sd.m3u8
 </pre>
-step 8: play live stream auto forwarded, the hls dir change to /forward<br/>
+step 9: play live stream auto forwarded, the hls dir change to /forward<br/>
 <pre>
 rtmp url: rtmp://dev:19350/live/livestream_ld
 m3u8 url: http://dev:80/forward/live/livestream_ld.m3u8