Fix typo in MANUAL_HOME_POSITION (plural S missing) and reduce BLOCK_BUFFER_SIZE because 64 wasn't working for some reason.

Marlin/Configuration_adv.h

@@ -78,7 +78,7 @@
 
 //// AUTOSET LOCATIONS OF LIMIT SWITCHES
 //// Added by ZetaPhoenix 09-15-2012
-#ifdef MANUAL_HOME_POSITION  //Use manual limit switch locations
+#ifdef MANUAL_HOME_POSITIONS  //Use manual limit switch locations
   #define X_HOME_POS MANUAL_X_HOME_POS
   #define Y_HOME_POS MANUAL_Y_HOME_POS
   #define Z_HOME_POS MANUAL_Z_HOME_POS
@@ -250,7 +250,7 @@ const unsigned int dropsegments=5; //everything with less than this number of st
 #if defined SDSUPPORT
   #define BLOCK_BUFFER_SIZE 16   // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else
-  #define BLOCK_BUFFER_SIZE 64 // maximize block buffer
+  #define BLOCK_BUFFER_SIZE 16 // maximize block buffer
 #endif