diff --git a/module/Pacman.lua b/module/Pacman.lua
index 872cff3..d2bda1f 100644
--- a/module/Pacman.lua
+++ b/module/Pacman.lua
@@ -6,20 +6,19 @@ local TextColumn	= require 'TextColumn'
 local util			= require 'util'
 local schema		= require 'default_patterns'
 
---construction params
-local TEXT_SPACING = 20
+local _TEXT_SPACING_ = 20
 
 local header = Widget.Header{
 	x = _G_INIT_DATA_.RIGHT_X,
 	y = _G_INIT_DATA_.TOP_Y,
 	width = _G_INIT_DATA_.SECTION_WIDTH,
-	header = "PACMAN"
+	header = 'PACMAN'
 }
 
 local labels = Widget.TextColumn{
 	x 		= _G_INIT_DATA_.RIGHT_X,
 	y 		= header.bottom_y,
-	spacing = TEXT_SPACING,
+	spacing = _TEXT_SPACING_,
 	'Total',
 	'Explicit',
 	'Outdated',
@@ -29,7 +28,7 @@ local labels = Widget.TextColumn{
 local info = Widget.TextColumn{
 	x 			= _G_INIT_DATA_.RIGHT_X + _G_INIT_DATA_.SECTION_WIDTH,
 	y 			= header.bottom_y,
-	spacing 	= TEXT_SPACING,
+	spacing 	= _TEXT_SPACING_,
 	x_align 	= 'right',
 	text_color 	= schema.blue,
 	num_rows 	= 5,
@@ -37,25 +36,25 @@ local info = Widget.TextColumn{
 
 Widget = nil
 schema = nil
-TEXT_SPACING = nil
+_TEXT_SPACING_ = nil
 
-local __update = function(cr)
-	local execute_cmd = util.execute_cmd
-	local line_count = util.line_count
+local update = function(cr)
+	local _execute_cmd = util.execute_cmd
+	local _line_count = util.line_count
 
-	TextColumn.set(info, cr, 1, line_count(execute_cmd('pacman -Q')))
-	TextColumn.set(info, cr, 2, line_count(execute_cmd('pacman -Qe')))
-	TextColumn.set(info, cr, 3, line_count(execute_cmd('pacman -Qu')))
-	TextColumn.set(info, cr, 4, line_count(execute_cmd('pacman -Qdt')))
-	TextColumn.set(info, cr, 5, line_count(execute_cmd('pacman -Qm')))
+	TextColumn.set(info, cr, 1, _line_count(_execute_cmd('pacman -Q')))
+	TextColumn.set(info, cr, 2, _line_count(_execute_cmd('pacman -Qe')))
+	TextColumn.set(info, cr, 3, _line_count(_execute_cmd('pacman -Qu')))
+	TextColumn.set(info, cr, 4, _line_count(_execute_cmd('pacman -Qdt')))
+	TextColumn.set(info, cr, 5, _line_count(_execute_cmd('pacman -Qm')))
 end
 
-__update(_CR)
+update(_CR)
 
 _CR = nil
 
 local draw = function(cr, current_interface, trigger)
-	if trigger == 0 then __update(cr) end
+	if trigger == 0 then update(cr) end
 	
 	if current_interface == 0 then
 		Text.draw(header.text, cr)