diff --git a/README.md b/README.md
index e1160c7..bd8f884 100644
--- a/README.md
+++ b/README.md
@@ -13,8 +13,7 @@ Can be used. Feedback wanted!
 Concept
 ====================
 
-- Provides a completion engine to handle completion sources
-- Support pairs-wise plugin automatically
+- Works properly
 - Fully customizable via Lua functions
 - Fully supported LSP's Completion capabilities
   - Snippets
@@ -26,6 +25,7 @@ Concept
   - Execute commands (Some LSP server needs it to auto-importing. e.g. `sumneko_lua` or `purescript-language-server`)
   - Preselect
   - CompletionItemTags
+- Support pairs-wise plugin automatically
 
 
 Setup
diff --git a/lua/cmp/config/default.lua b/lua/cmp/config/default.lua
index d9ccc09..598d62a 100644
--- a/lua/cmp/config/default.lua
+++ b/lua/cmp/config/default.lua
@@ -31,7 +31,7 @@ return function()
 
     documentation = {
       border = { '', '', '', ' ', '', '', '', ' ' },
-      winhighlight = 'NormalFloat:CmpDocumentation,FloatBorder:CmpDocumentationBorder',
+      winhighlight = 'NormalFloat:NormalFloat,FloatBorder:NormalFloat',
       maxwidth = math.floor((WIDE_HEIGHT * 2) * (vim.o.columns / (WIDE_HEIGHT * 2 * 16 / 9))),
       maxheight = math.floor(WIDE_HEIGHT * (WIDE_HEIGHT / vim.o.lines)),
     },
diff --git a/plugin/cmp.lua b/plugin/cmp.lua
index 8660858..4a50318 100644
--- a/plugin/cmp.lua
+++ b/plugin/cmp.lua
@@ -15,11 +15,3 @@ vim.cmd [[
   augroup END
 ]]
 
-if vim.fn.hlexists('CmpDocumentation') == 0 then
-  vim.api.nvim_command [[highlight link CmpDocumentation NormalFloat]]
-end
-
-if vim.fn.hlexists('CmpDocumentationBorder') == 0 then
-  vim.api.nvim_command [[highlight link CmpDocumentationBorder NormalFloat]]
-end
-