Update Configuration.h

Marlin/example_configurations/delta/biv2.5/Configuration.h

     // Non-linear bed leveling will be used.
     // Compensate by interpolating between the nearest four Z probe values for each point.
     // Useful for deltas where the print surface may appear like a bowl or dome shape.
-    // Works best with ACCURATE_BED_LEVELING_POINTS 5 or higher.
+    // Works best with AUTO_BED_LEVELING_GRID_POINTS 5 or higher.
     #define AUTO_BED_LEVELING_GRID_POINTS 9
 
   #else  // !AUTO_BED_LEVELING_GRID