diff --git a/module/Base/Color4.hpp b/module/Base/Color4.hpp
index d8fa6169..6161eb74 100644
--- a/module/Base/Color4.hpp
+++ b/module/Base/Color4.hpp
@@ -34,7 +34,7 @@ struct Color4
     static bool UpperCaseHex;
 
     /* --------------------------------------------------------------------------------------------
-     * The red, green and blue components of this type.
+     * The red, green, blue and alpha components of this type.
     */
     Value r{0}, g{0}, b{0}, a{0};