README: add more Markdown formatting

README.md

@@ -3,7 +3,7 @@ vim-startify
 
 Startify basically provides two things:
 
-_1)_ If you start Vim without giving any filenames to it (or pipe stuff to it so
+__1)__ If you start Vim without giving any filenames to it (or pipe stuff to it so
    it reads from STDIN), startify will show a small but pretty start screen
    which shows recently used files (using viminfo) and sessions by default.
 
@@ -24,16 +24,16 @@ _1)_ If you start Vim without giving any filenames to it (or pipe stuff to it so
    these actions via `<cr>`.
 
    When the selection is finished, Startify will close automatically. You can
-   reopen the screen via :Startify.
+   reopen the screen via `:Startify.`
 
-_2)_ It eases handling of loading and saving sessions by only working with a
+__2)__ It eases handling of loading and saving sessions by only working with a
    certain directory. These commands are used for convenience:
 
       :SLoad    load a session
       :SSave    save a session
       :SDelete  delete a session
 
-_NOTE_: These commands can also take session names directly as an argument. You can
+__NOTE__: These commands can also take session names directly as an argument. You can
 also make use of completion via `<c-d>` and `<tab>`.
 
 The default settings are pretty sane, so it should work without any
@@ -41,10 +41,10 @@ configuration.
 
 ![Example:startify in action](https://github.com/mhinz/vim-startify/raw/master/startify.png)
 
-_NOTE_: The colors shown in the screenshot are not the default. If you want to
+__NOTE__: The colors shown in the screenshot are not the default. If you want to
 tune the default colors, you can overwrite the highlight groups used by startify
 in your vimrc. Have a look at `:h startify-colors`, after installing the plugin.
-Moreover, g:startify_enable_special is set to 0.
+Moreover, `g:startify_enable_special` is set to 0.
 
 Feedback, please!
 -----------------
@@ -59,16 +59,16 @@ Installation
 
 If you have no preferred installation method, I suggest using tpope's pathogen:
 
-1. git clone https://github.com/tpope/vim-pathogen ~/.vim/bundle/vim-pathogen
-1. mkdir -p ~/.vim/autoload && cd ~/.vim/autoload
-1. ln -s ../bundle/vim-pathogen/autoload/pathogen.vim
+    $ git clone https://github.com/tpope/vim-pathogen ~/.vim/bundle/vim-pathogen
+    $ mkdir -p ~/.vim/autoload && cd ~/.vim/autoload
+    $ ln -s ../bundle/vim-pathogen/autoload/pathogen.vim
 
 Afterwards installing vim-startify is as easy as pie:
 
-2. git clone https://github.com/mhinz/vim-startify ~/.vim/bundle/vim-startify
-2. start Vim
-2. :Helptags
-2. :h startify
+    $ git clone https://github.com/mhinz/vim-startify ~/.vim/bundle/vim-startify
+    $ start Vim
+    $ :Helptags
+    $ :h startify
 
 Documentation
 -------------