Fix "Probing mesh point" message

Closes #17770

Co-Authored-By: Jan-Gerard van der Toorn <jan-gerard@users.noreply.github.com>

Marlin/src/gcode/bedlevel/abl/G29.cpp

@@ -643,7 +643,7 @@ G29_TYPE GcodeSuite::G29() {
           // Avoid probing outside the round or hexagonal area
           if (TERN0(IS_KINEMATIC, !probe.can_reach(probePos))) continue;
 
-          if (verbose_level) SERIAL_ECHOLNPAIR("Probing mesh point ", int(pt_index), "/", int(GRID_MAX_POINTS), ".");
+          if (verbose_level) SERIAL_ECHOLNPAIR("Probing mesh point ", int(pt_index), "/", abl_points, ".");
           TERN_(HAS_DISPLAY, ui.status_printf_P(0, PSTR(S_FMT " %i/%i"), GET_TEXT(MSG_PROBING_MESH), int(pt_index), int(GRID_MAX_POINTS)));
 
           measured_z = faux ? 0.001f * random(-100, 101) : probe.probe_at_point(probePos, raise_after, verbose_level);