diff --git a/Makefile b/Makefile
index 8332973..5d2bf47 100644
--- a/Makefile
+++ b/Makefile
@@ -14,4 +14,6 @@ test:
 docgen:
 	@bash ./scripts/docgen.sh
 
+precommit_check: docgen format test lint
+
 check: lint test
diff --git a/README.md b/README.md
index 04e4b8c..76baf63 100644
--- a/README.md
+++ b/README.md
@@ -59,14 +59,19 @@ For those who want to break the norms. You can create custom looks in lualine.
 
 Unlike other statusline plugins lualine loads only defined components, nothing else.
 
-Startup time performance measured with an amazing plugin [tweekmonster/startuptime.vim](https://github.com/tweekmonster/startuptime.vim)
+Startup time performance measured with an amazing plugin [dstein64/vim-startuptime](https://github.com/dstein64/vim-startuptime)
 
-All times are measured with only `startuptime.vim` and given statusline plugin installed
+All times are measured with clean `init.vim` with only `vim-startuptime`,
+`vim-plug` and given statusline plugin installed.
+In controle just `vim-startuptime` and`vim-plug` is installed.
+And mesured time is complete startuptime of vim not time spent
+on specific plugin.
 
-| clean vimrc    | lualine      | lightline    |  airline     |
-| :------------: | :----------: | :----------: | :----------: |
-|  8.943 ms      | 9.034 ms     |  11.463 ms   | 13.425 ms    |
+|  control   |  lualine  | lightline |  airline  |
+| :--------: | :-------: | :-------: | :-------: |
+|  8.943 ms  | 10.140 ms | 12.522 ms | 38.850 ms |
 
+Last Updated On: 20-09-2021
 
 ## Installation
 
@@ -76,7 +81,6 @@ All times are measured with only `startuptime.vim` and given statusline plugin i
 Plug 'hoob3rt/lualine.nvim'
 " If you want to have icons in your statusline choose one of these
 Plug 'kyazdani42/nvim-web-devicons'
-Plug 'ryanoasis/vim-devicons'
 ```
 
 ### [packer.nvim](https://github.com/wbthomason/packer.nvim)
@@ -88,6 +92,8 @@ use {
 }
 ```
 
+You'll also have need to have a patched font if you want icons.
+
 ## Usage and customization
 
 Lualine has sections as shown below.
diff --git a/doc/lualine.txt b/doc/lualine.txt
index 054626e..e6d34b2 100644
--- a/doc/lualine.txt
+++ b/doc/lualine.txt
@@ -32,15 +32,19 @@ Unlike other statusline plugins lualine loads only defined components, nothing
 else.
 
 Startup time performance measured with an amazing plugin
-tweekmonster/startuptime.vim <https://github.com/tweekmonster/startuptime.vim>
+dstein64/vim-startuptime <https://github.com/dstein64/vim-startuptime>
 
-All times are measured with only `startuptime.vim` and given statusline plugin
-installed
+All times are measured with clean `init.vim` with only `vim-startuptime`,
+`vim-plug` and given statusline plugin installed. In controle just
+`vim-startuptime` and`vim-plug` is installed. And mesured time is complete
+startuptime of vim not time spent on specific plugin.
 
-│clean vimrc│lualine │lightline│ airline │
-│ 8.943 ms  │9.034 ms│11.463 ms│13.425 ms│
+│control │ lualine │lightline│ airline │
+│8.943 ms│10.140 ms│12.522 ms│38.850 ms│
 
 
+Last Updated On: 20-09-2021
+
 INSTALLATION                                            *lualine-installation*
 
 VIM-PLUG <HTTPS://GITHUB.COM/JUNEGUNN/VIM-PLUG> ~
@@ -49,7 +53,6 @@ VIM-PLUG <HTTPS://GITHUB.COM/JUNEGUNN/VIM-PLUG> ~
     Plug 'hoob3rt/lualine.nvim'
     " If you want to have icons in your statusline choose one of these
     Plug 'kyazdani42/nvim-web-devicons'
-    Plug 'ryanoasis/vim-devicons'
 <
 
 
@@ -63,6 +66,8 @@ PACKER.NVIM <HTTPS://GITHUB.COM/WBTHOMASON/PACKER.NVIM> ~
 <
 
 
+You’ll also have need to have a patched font if you want icons.
+
 USAGE AND CUSTOMIZATION                      *lualine-usage-and-customization*
 
 Lualine has sections as shown below.
diff --git a/lua/lualine/components/special/eval_func_component.lua b/lua/lualine/components/special/eval_func_component.lua
index e40b516..4656b89 100644
--- a/lua/lualine/components/special/eval_func_component.lua
+++ b/lua/lualine/components/special/eval_func_component.lua
@@ -1,3 +1,6 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
+
 local EvalFuncComponent = require('lualine.component'):new()
 
 EvalFuncComponent.update_status = function(self)
diff --git a/lua/lualine/components/special/function_component.lua b/lua/lualine/components/special/function_component.lua
index 27685c4..b360c31 100644
--- a/lua/lualine/components/special/function_component.lua
+++ b/lua/lualine/components/special/function_component.lua
@@ -1,3 +1,5 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
 local FunctionComponent = require('lualine.component'):new()
 
 FunctionComponent.update_status = function(self, is_focused)
diff --git a/lua/lualine/components/special/vim_var_component.lua b/lua/lualine/components/special/vim_var_component.lua
index 53a99a8..eb46b28 100644
--- a/lua/lualine/components/special/vim_var_component.lua
+++ b/lua/lualine/components/special/vim_var_component.lua
@@ -1,3 +1,5 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
 local VarComponent = require('lualine.component'):new()
 VarComponent.update_status = function(self)
   local component = self.options[1]
diff --git a/lua/lualine/themes/auto.lua b/lua/lualine/themes/auto.lua
index c787c24..a976ee0 100644
--- a/lua/lualine/themes/auto.lua
+++ b/lua/lualine/themes/auto.lua
@@ -1,3 +1,5 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
 local utils = require 'lualine.utils.utils'
 local loader = require 'lualine.utils.loader'
 
diff --git a/lua/lualine/themes/gruvbox_light.lua b/lua/lualine/themes/gruvbox_light.lua
index 99bbeff..75adb3a 100644
--- a/lua/lualine/themes/gruvbox_light.lua
+++ b/lua/lualine/themes/gruvbox_light.lua
@@ -1,3 +1,5 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
 -- stylua: ignore
 local colors = {
   black        = '#3c3836',
diff --git a/lua/lualine/themes/modus-vivendi.lua b/lua/lualine/themes/modus-vivendi.lua
index 7170fd3..3ad42af 100644
--- a/lua/lualine/themes/modus-vivendi.lua
+++ b/lua/lualine/themes/modus-vivendi.lua
@@ -2,15 +2,15 @@
 -- MIT license, see LICENSE for more details.
 -- stylua: ignore
 local colors = {
-    black = '#000000',
-    white = '#eeeeee',
-    red = '#ffa0a0',
-    green = '#88cf88',
-    blue = '#92baff',
-    magenta = '#feacd0',
-    cyan = '#a0bfdf',
-    gray = '#2f2f2f',
-    darkgray = '#202020',
+    black     = '#000000',
+    white     = '#eeeeee',
+    red       = '#ffa0a0',
+    green     = '#88cf88',
+    blue      = '#92baff',
+    magenta   = '#feacd0',
+    cyan      = '#a0bfdf',
+    gray      = '#2f2f2f',
+    darkgray  = '#202020',
     lightgray = '#434343'
 }
 
diff --git a/lua/lualine/themes/pywal.lua b/lua/lualine/themes/pywal.lua
index 7391e32..bbd7b53 100644
--- a/lua/lualine/themes/pywal.lua
+++ b/lua/lualine/themes/pywal.lua
@@ -1,3 +1,6 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
+
 local lualine_require = require 'lualine_require'
 local modules = lualine_require.lazy_require {
   utils_notices = 'lualine.utils.notices',
diff --git a/lua/lualine/utils/job.lua b/lua/lualine/utils/job.lua
index 8178f1b..a5e5586 100644
--- a/lua/lualine/utils/job.lua
+++ b/lua/lualine/utils/job.lua
@@ -1,3 +1,6 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
+
 -- Wrapper arround job api
 local Job = setmetatable({
   start = function(self)
diff --git a/lua/lualine/utils/notices.lua b/lua/lualine/utils/notices.lua
index f22796f..4bc54ef 100644
--- a/lua/lualine/utils/notices.lua
+++ b/lua/lualine/utils/notices.lua
@@ -1,3 +1,6 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
+
 -- To provide notices for user
 local M = {}
 local notices = {}
diff --git a/lua/lualine_require.lua b/lua/lualine_require.lua
index ae14a37..4d86887 100644
--- a/lua/lualine_require.lua
+++ b/lua/lualine_require.lua
@@ -1,3 +1,5 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
 local M = {}
 
 M.sep = package.config:sub(1, 1)
diff --git a/lua/tests/helpers.lua b/lua/tests/helpers.lua
index 6c632ca..1f46144 100644
--- a/lua/tests/helpers.lua
+++ b/lua/tests/helpers.lua
@@ -1,3 +1,6 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
+
 local eq = assert.are.same
 
 local M = {}
diff --git a/lua/tests/minimal_init.lua b/lua/tests/minimal_init.lua
index e82a8e7..37b701d 100644
--- a/lua/tests/minimal_init.lua
+++ b/lua/tests/minimal_init.lua
@@ -1,3 +1,6 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
+
 -- load lualine and plenary
 vim.api.nvim_exec(
   [[
diff --git a/lua/tests/spec/component_spec.lua b/lua/tests/spec/component_spec.lua
index eb9482d..5e02586 100644
--- a/lua/tests/spec/component_spec.lua
+++ b/lua/tests/spec/component_spec.lua
@@ -1,3 +1,6 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
+
 local helpers = require 'tests.helpers'
 
 local eq = assert.are.same
diff --git a/lua/tests/spec/config_spec.lua b/lua/tests/spec/config_spec.lua
index 3e9df0d..484e6d7 100644
--- a/lua/tests/spec/config_spec.lua
+++ b/lua/tests/spec/config_spec.lua
@@ -1,3 +1,6 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
+
 local eq = assert.are.same
 
 describe('config parsing', function()
diff --git a/lua/tests/spec/utils_spec.lua b/lua/tests/spec/utils_spec.lua
index 59e7988..ced2a16 100644
--- a/lua/tests/spec/utils_spec.lua
+++ b/lua/tests/spec/utils_spec.lua
@@ -1,3 +1,6 @@
+-- Copyright (c) 2020-2021 shadmansaleh
+-- MIT license, see LICENSE for more details.
+
 local helpers = require 'tests.helpers'
 
 local eq = assert.are.same
diff --git a/scripts/docgen.sh b/scripts/docgen.sh
index 77eafcd..04b1b48 100644
--- a/scripts/docgen.sh
+++ b/scripts/docgen.sh
@@ -1,3 +1,6 @@
+# Copyright (c) 2020-2021 shadmansaleh
+# MIT license, see LICENSE for more details.
+
 PANVIMDOC_TAG_VERSION="v2.7.1" # panvimdoc version
 
 # panvimdocs metadata