Noted in #6550
@ -8970,7 +8970,7 @@ inline void gcode_M503() {
SERIAL_ECHOPAIR("Advance K=", planner.extruder_advance_k);
SERIAL_ECHOPGM(" E/D=");
const float ratio = planner.advance_ed_ratio;
ratio ? SERIAL_ECHO(ratio) : SERIAL_ECHOPGM("Auto");
if (ratio) SERIAL_ECHO(ratio); else SERIAL_ECHOPGM("Auto");
SERIAL_EOL;
}
#endif // LIN_ADVANCE