diff --git a/VERSION b/VERSION
index b0663eb..e370433 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.2301.11953
+0.2301.20324
diff --git a/src/Colour/Colour.php b/src/Colour/Colour.php
index bb724c8..3d2c584 100644
--- a/src/Colour/Colour.php
+++ b/src/Colour/Colour.php
@@ -1,8 +1,11 @@
 <?php
+// Colour.php
+// Created: 2023-01-02
+// Updated: 2023-01-02
+
 namespace Index\Colour;
 
 use Stringable;
-
 abstract class Colour implements Stringable {
     public abstract function getRed(): int;
     public abstract function getGreen(): int;
diff --git a/src/Colour/ColourHSL.php b/src/Colour/ColourHSL.php
index 8a0d0bb..e6a47ca 100644
--- a/src/Colour/ColourHSL.php
+++ b/src/Colour/ColourHSL.php
@@ -1,4 +1,8 @@
 <?php
+// ColourHSL.php
+// Created: 2023-01-02
+// Updated: 2023-01-02
+
 namespace Index\Colour;
 
 class ColourHSL extends Colour {
diff --git a/src/Colour/ColourNamed.php b/src/Colour/ColourNamed.php
index 994c411..b9bf09d 100644
--- a/src/Colour/ColourNamed.php
+++ b/src/Colour/ColourNamed.php
@@ -1,4 +1,8 @@
 <?php
+// ColourNamed.php
+// Created: 2023-01-02
+// Updated: 2023-01-02
+
 namespace Index\Colour;
 
 class ColourNamed extends Colour {
diff --git a/src/Colour/ColourNull.php b/src/Colour/ColourNull.php
index aad75df..6e80a95 100644
--- a/src/Colour/ColourNull.php
+++ b/src/Colour/ColourNull.php
@@ -1,4 +1,8 @@
 <?php
+// ColourNull.php
+// Created: 2023-01-02
+// Updated: 2023-01-02
+
 namespace Index\Colour;
 
 class ColourNull extends Colour {
diff --git a/src/Colour/ColourRGB.php b/src/Colour/ColourRGB.php
index facecd3..63078ef 100644
--- a/src/Colour/ColourRGB.php
+++ b/src/Colour/ColourRGB.php
@@ -1,4 +1,8 @@
 <?php
+// ColourRGB.php
+// Created: 2023-01-02
+// Updated: 2023-01-02
+
 namespace Index\Colour;
 
 class ColourRGB extends Colour {