diff --git a/maccel/maccel.c b/maccel/maccel.c
index 3a773e4..66706d7 100644
--- a/maccel/maccel.c
+++ b/maccel/maccel.c
@@ -97,6 +97,7 @@ void maccel_toggle_enabled(void) {
 #define CONSTRAIN_REPORT(val) (mouse_xy_report_t) _CONSTRAIN(val, XY_REPORT_MIN, XY_REPORT_MAX)
 
 report_mouse_t pointing_device_task_maccel(report_mouse_t mouse_report) {
+    // rounding carry to recycling dropped floats from int mouse reports, to smoothen low speed movements (credit @ankostis)
     static float rounding_carry_x = 0;
     static float rounding_carry_y = 0;
     // time since last mouse report: