diff --git a/Userland/Libraries/LibGfx/JPEGLoader.h b/Userland/Libraries/LibGfx/JPEGLoader.h
index 0e345aeb6f..146d51e52e 100644
--- a/Userland/Libraries/LibGfx/JPEGLoader.h
+++ b/Userland/Libraries/LibGfx/JPEGLoader.h
@@ -12,6 +12,8 @@ namespace Gfx {
 
 struct JPEGLoadingContext;
 
+// For the specification, see: https://www.w3.org/Graphics/JPEG/itu-t81.pdf
+
 class JPEGImageDecoderPlugin : public ImageDecoderPlugin {
 public:
     static ErrorOr<bool> sniff(ReadonlyBytes);