Tweak BLOCK_BUFFER_SIZE config

Marlin/example_configurations/TinyBoy2/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else