diff --git a/lua/completion.lua b/lua/completion.lua
index 883d8ef..c044c67 100644
--- a/lua/completion.lua
+++ b/lua/completion.lua
@@ -7,7 +7,10 @@ cmp.setup {
       require('luasnip').lsp_expand(args.body)
     end,
   },
-  mapping = {
+  window = {
+    documentation = true
+  },
+  mapping = cmp.mapping.preset.insert({
     ['<C-p>'] = cmp.mapping.select_prev_item(),
     ['<C-n>'] = cmp.mapping.select_next_item(),
     ['<C-d>'] = cmp.mapping.scroll_docs(-4),
@@ -36,7 +39,7 @@ cmp.setup {
         fallback()
       end
     end,
-  },
+  }),
   sources = {
     { name = 'nvim_lsp' },
     { name = 'luasnip' },
diff --git a/lua/keys.lua b/lua/keys.lua
index c2e22c6..89324c9 100644
--- a/lua/keys.lua
+++ b/lua/keys.lua
@@ -11,6 +11,7 @@ key('n', 'gh', '/<c-r>=expand("<cword>")<CR><CR>N', {})
 key('i', '<TAB>', 'pumvisible() ? "<C-n>" : "<Tab>"', {expr = true, silent = true})
 key('i', '<S-TAB>', 'pumvisible() ? "<C-p>" : "<S-Tab>"', {expr = true, silent = true})
 key('n','<leader>g',':lua require"telescope.builtin".live_grep{}<CR>', {})
+key('v', '<leader>c', ':w !xclip -sel c<CR><CR>', {silent = true})
 
 -- Highlight on yank
 vim.api.nvim_exec(