Update README.md

README.md

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 # Marlin 3D Printer Firmware For the Sainsmart Coreception 300 (With Bl touch)
 
-##Configuring BL Touch
+## Configuring BL Touch
 To configure your BL Touch will not replace any axis endstops, it will replace the secondary filament runout detection pin, this is due to Coreception having 2 seperate Z-Axis leadscrews that are both low pitch and that require seperate leveling. No endswitch is perfect which makes BL Touch the perfect addon aswell.
 
 ![alt text](https://github.com/jgarder/Marlin-Coreception-300/blob/2.0.x/MKS_Robin_Nano-BLTouch.png?raw=true)