diff --git a/src/utility/bitmap.cpp b/src/utility/bitmap.cpp
index 33b6026..3eea4ae 100644
--- a/src/utility/bitmap.cpp
+++ b/src/utility/bitmap.cpp
@@ -1,5 +1,9 @@
 #include "bitmap.hpp"
 
+
+// Simple bitmap library.
+// Used to debug music visualizer.
+
 Bitmap::Bitmap(size_t w, size_t h) {
 	this->width = w;
 	this->height = h;