diff --git a/README.md b/README.md
index c0d7d0b..6263c18 100644
--- a/README.md
+++ b/README.md
@@ -7,14 +7,9 @@ Build calendar graphs with unlimited chart layers
 
 #### [Month](https://github.com/YGGverse/graph-php/blob/main/src/Calendar/Month.php)
 
-![yggverse-graph-php-example](https://github.com/YGGverse/graph-php/assets/108541346/bbac7626-1f0b-476c-b154-f8a6f2933530)
+##### Example
 
-##### Examples
-
- * [YGGstate](https://github.com/YGGverse/YGGstate) - Yggdrasil Network Explorer
- * [HLState](https://github.com/YGGverse/HLState) -  Web Monitor for Half-Life Servers
-
-##### Usage
+![2 layers example](https://github.com/YGGverse/graph-php/blob/main/media/calendar/example-2-layers.png?raw=true)
 
 ###### Server-side
 
@@ -32,7 +27,7 @@ foreach ($calendarMonth->getNodes() as $day => $node)
   $calendarMonth->addNode(
     $day,          // required, number of day, on this example we are processing all of days in the initiated month
     rand(1, 1000), // required, set some digit value for this day and current layer
-    'label 0',     // optional, label text that could be displayed on element over
+    'label 1',     // optional, label text that could be displayed on element over
     'class-name',  // optional, customize output with CSS class
     0              // optional, define chart layer if you want to build multiple charts in single day case
                    // e.g. 1, 2, 3... or some keyword. first layer has 0 index by default.
@@ -43,20 +38,17 @@ foreach ($calendarMonth->getNodes() as $day => $node)
   {
     // To build independent chart layer, make sure that layer attribute increased, for example to 1
     $calendarMonth->addNode($day, rand(0, 1000), 'my hourly label 1, 'my-class-name-1', 1);
-    $calendarMonth->addNode($day, rand(0, 1000), 'my hourly label 2, 'my-class-name-2', 1);
+    $calendarMonth->addNode($day, rand(0, 1000), 'my hourly label 1, 'my-class-name-1', 1);
   }
 }
 ```
 
 ###### Client-side
 
- * [CSS](https://github.com/YGGverse/YGGstate/blob/main/src/public/assets/theme/default/css/yggverse/graph/calendar/month.css)
- * [PHP/HTML](https://github.com/YGGverse/YGGstate/blob/main/src/public/index.php)
-
-To make your own implementation, play with:
+Coming soon on [YGGstate](https://github.com/YGGverse/YGGstate) or play with dump generated:
 
 ```
 var_dump(
   $calendarMonth->getNodes()
 );
-```
+```
\ No newline at end of file
diff --git a/media/calendar/example-2-layers.png b/media/calendar/example-2-layers.png
new file mode 100644
index 0000000..9a5491c
Binary files /dev/null and b/media/calendar/example-2-layers.png differ
diff --git a/src/Calendar/Month.php b/src/Calendar/Month.php
index 9a0bacf..ccb6719 100644
--- a/src/Calendar/Month.php
+++ b/src/Calendar/Month.php
@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace Yggverse\Graph\Calendar;
+namespace YGGverse\Graph\Calendar;
 
 class Month
 {
@@ -35,19 +35,18 @@ class Month
 
   public function getNodes() : object
   {
-    // Calculate max value
-    $max = 0;
+    // Calculate month totals
+    $total = [];
 
     foreach ($this->_node as $i => $day)
     {
       foreach ($day as $l => $layer)
       {
+        $total[$i][$l] = 0;
+
         foreach ($layer as $data)
         {
-          if ($data['value'] > $max)
-          {
-            $max = $data['value'];
-          }
+          $total[$i][$l] += $data['value'];
         }
       }
     }
@@ -67,8 +66,8 @@ class Month
         // Calculate column width, height, offset
         foreach ($layer as $j => $data)
         {
-          $this->_node[$i][$l][$j]['height'] = $max ? ceil($data['value'] / $max * 100) : 0;
           $this->_node[$i][$l][$j]['width']  = $width;
+          $this->_node[$i][$l][$j]['height'] = $total[$i][$l] ? ceil($data['value'] / $total[$i][$l] * 100) : 0;
           $this->_node[$i][$l][$j]['offset'] = $width * $j;
         }
       }