diff --git a/Storage/Disk/Encodings/AppleGCR/Encoder.hpp b/Storage/Disk/Encodings/AppleGCR/Encoder.hpp
index 04d347f1b..08fc69a6e 100644
--- a/Storage/Disk/Encodings/AppleGCR/Encoder.hpp
+++ b/Storage/Disk/Encodings/AppleGCR/Encoder.hpp
@@ -80,6 +80,8 @@ Storage::Disk::PCMSegment six_and_two_sync(int length);
 /*!
 	Produces the data section of a five-and-three format sector; the segment returned
 	will be 3,336 bits long, encoding the first 256 bytes from @c source.
+
+	(TODO).
 */
 Storage::Disk::PCMSegment five_and_three_data(const uint8_t *source);