Fix #397: clarify in docs that GitHub is the default plugin source

README.md

@@ -63,9 +63,13 @@ Add a vim-plug section to your `~/.vimrc` (or `~/.config/nvim/init.vim` for Neov
 call plug#begin('~/.vim/plugged')
 
 " Make sure you use single quotes
-Plug 'junegunn/seoul256.vim'
+
+" Shorthand notation; fetches https://github.com/junegunn/vim-easy-align
 Plug 'junegunn/vim-easy-align'
 
+" Any valid git URL is allowed
+Plug 'https://github.com/junegunn/vim-github-dashboard.git'
+
 " Group dependencies, vim-snippets depends on ultisnips
 Plug 'SirVer/ultisnips' | Plug 'honza/vim-snippets'
 
@@ -73,9 +77,6 @@ Plug 'SirVer/ultisnips' | Plug 'honza/vim-snippets'
 Plug 'scrooloose/nerdtree', { 'on':  'NERDTreeToggle' }
 Plug 'tpope/vim-fireplace', { 'for': 'clojure' }
 
-" Using git URL
-Plug 'https://github.com/junegunn/vim-github-dashboard.git'
-
 " Using a non-master branch
 Plug 'rdnetto/YCM-Generator', { 'branch': 'stable' }