completin select first item

vimrc

@@ -12,7 +12,7 @@ let g:vimrc_auto_window_settings = exists('g:vimrc_auto_window_settings')
   \ ? g:vimrc_auto_window_settings : 0
 "}}}
 
-" #plugins {{{
+ " #plugins {{{
 if empty(glob('~/.vim/autoload/plug.vim'))"{{{
   silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
     \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
@@ -990,11 +990,10 @@ command! Scratch new | setlocal buftype=nofile | setlocal bufhidden=hide | setlo
 command! ScratchVertical vnew | setlocal buftype=nofile | setlocal bufhidden=hide | setlocal noswapfile
 "}}}
 "}}}
-" #settings {{{
+" " #settings {{{
 scriptencoding utf-8
 
 syntax on
-" set fillchars=stl:\ ,stlnc:\ ,vert:│
 set fillchars=stl:\ ,stlnc:\ ,vert:┃
 
 set guioptions-=mTrLb
@@ -1029,10 +1028,7 @@ set hidden
 set number relativenumber
 set hlsearch
 
-" set previewheight=24
-" set splitbelow
-
-set completeopt=longest,menuone
+set completeopt=menuone,preview
 
 set nospell
 set spelllang=en_gb