Update README.md

README.md

@@ -14,7 +14,7 @@ $ docker run -d \
   sharelatex/sharelatex
 ```
 
-This will download the ShareLaTeX image and start it running in the background on port 80. You should be able to access it at http://localhost/.
+This will download the ShareLaTeX image and start it running in the background on port 5000. You should be able to access it at http://localhost:5000/.
 
 To stop ShareLaTeX: