Fix readme formatting

README.md

@@ -17,10 +17,11 @@ There are several ways to do this
    href="https://github.com/tpope/vim-pathogen">pathogen.vim</a>, then
    add a git submodule for your plugin:
 
-   ```sh
+```sh
 $ cd ~/.vim
 $ git submodule add git@github.com:dhruvasagar/vim-table-mode.git bundle/table-mode
-   ```
+```
+
 3. Copy all files under autoload/, plugin/, doc/ to respective
    ~/.vim/autoload/, ~/.vim/plugin and ~/.vim/doc under UNIX or
    vimfiles/autoload/, vimfiles/plugin/ and vimfiles/doc under WINDOWS and