diff --git a/src/Entity/Browser/Container/Page/Response/Query.php b/src/Entity/Browser/Container/Page/Response/Query.php
index 793e6ca7..454e87d5 100644
--- a/src/Entity/Browser/Container/Page/Response/Query.php
+++ b/src/Entity/Browser/Container/Page/Response/Query.php
@@ -11,7 +11,7 @@ class Query extends \Yggverse\Yoda\Abstract\Entity\Entry
     public Response $response;
 
     // Defaults
-    protected string $_placeholder = 'Enter response...';
+    public const PLACEHOLDER = 'Enter your response...';
 
     public function __construct(
         Response $response
diff --git a/src/Entity/Browser/Container/Page/Response/Send.php b/src/Entity/Browser/Container/Page/Response/Send.php
index 7526ac65..3834c702 100644
--- a/src/Entity/Browser/Container/Page/Response/Send.php
+++ b/src/Entity/Browser/Container/Page/Response/Send.php
@@ -12,7 +12,7 @@ class Send extends \Yggverse\Yoda\Abstract\Entity\Button
     public Response $response;
 
     // Defaults
-    protected string $_label = 'Send';
+    public const LABEL = 'Send';
 
     public function __construct(
         Response $response
diff --git a/src/Entity/Browser/Header.php b/src/Entity/Browser/Header.php
index a3cf68fe..80272a52 100644
--- a/src/Entity/Browser/Header.php
+++ b/src/Entity/Browser/Header.php
@@ -17,9 +17,9 @@ class Header
     public Header\Tray $tray;
 
     // Defaults
-    protected bool $_actions = true;
-    protected string $_title = 'Yoda';
-    protected string $_subtitle = '';
+    public const ACTIONS = true;
+    public const TITLE = 'Yoda';
+    public const SUBTITLE = '';
 
     public function __construct(
         Browser $browser
@@ -31,15 +31,15 @@ class Header
         $this->gtk = new \GtkHeaderBar;
 
         $this->gtk->set_show_close_button(
-            $this->_actions
+            $this::ACTIONS
         );
 
         $this->gtk->set_title(
-            $this->_title
+            $this::TITLE
         );
 
         $this->gtk->set_subtitle(
-            $this->_subtitle
+            $this::SUBTITLE
         );
 
         // Init tray area
@@ -56,17 +56,17 @@ class Header
     }
 
     public function setTitle(
-        ?string $value = null,
+        ?string $title = null,
         ?string $subtitle = null
     ): void
     {
         $this->gtk->set_title(
-            is_null($value) ? $this->_title : sprintf(
+            is_null($title) ? $this::TITLE : sprintf(
                 '%s - %s',
                 trim(
-                    $value
+                    $title
                 ),
-                $this->_title
+                $this::TITLE
             )
         );
 
@@ -76,12 +76,12 @@ class Header
     }
 
     public function setSubtitle(
-        ?string $value = null
+        ?string $subtitle = null
     ): void
     {
         $this->gtk->set_subtitle(
-            is_null($value) ? $this->_subtitle : trim(
-                $value
+            is_null($subtitle) ? $this::SUBTITLE : trim(
+                $subtitle
             )
         );
     }
diff --git a/src/Entity/Browser/Header/Tray.php b/src/Entity/Browser/Header/Tray.php
index 1940cb47..d205eef3 100644
--- a/src/Entity/Browser/Header/Tray.php
+++ b/src/Entity/Browser/Header/Tray.php
@@ -18,10 +18,8 @@ class Tray
     public Tray\Tab $tab;
 
     // Defaults
-    protected bool $_actions = true;
-    protected string $_title = 'Yoda';
-    protected string $_subtitle = '';
-    protected int $_margin = 8;
+    public const MARGIN = 4;
+    public const SPACING = 8;
 
     public function __construct(
         Header $header
@@ -35,15 +33,15 @@ class Tray
         );
 
         $this->gtk->set_margin_start(
-            $this->_margin / 2
+            $this::MARGIN
         );
 
         $this->gtk->set_margin_end(
-            $this->_margin / 2
+            $this::MARGIN
         );
 
         $this->gtk->set_spacing(
-            $this->_margin
+            $this::SPACING
         );
 
         // Init navigation
diff --git a/src/Entity/Browser/History/Header.php b/src/Entity/Browser/History/Header.php
index b9cf1548..edf7c0b8 100644
--- a/src/Entity/Browser/History/Header.php
+++ b/src/Entity/Browser/History/Header.php
@@ -8,27 +8,26 @@ class Header
 {
     public \GtkHeaderBar $gtk;
 
-    protected bool $_actions = true;
-    protected string $_title = 'History - Yoda';
-    protected string $_subtitle = '';
+    public const ACTIONS = true;
+    public const TITLE = 'History - Yoda';
+    public const SUBTITLE = '';
 
     public function __construct()
     {
         $this->gtk = new \GtkHeaderBar;
 
         $this->gtk->set_show_close_button(
-            $this->_actions
+            $this::ACTIONS
         );
 
         $this->gtk->set_title(
-            $this->_title
+            _($this::TITLE)
         );
 
         $this->gtk->set_subtitle(
-            $this->_subtitle
+            _($this::SUBTITLE)
         );
 
-        // Render
         $this->gtk->show();
     }
 }
\ No newline at end of file