Fix readme

Author: nateinaction

README.md

@@ -63,11 +63,11 @@ Now you want to install the firmware to the board.
 make install BOARD_DIR=[path-to-your-board]
 ```
 
-or 
+or
 ```
 cp build-fprime-automatic-zephyr/zephyr/zephyr.uf2 [path-to-your-board]
 ```
-to copy the uf2 if the make install isnt working
+to copy the uf2 if the make install isn't working
 
 Finally, run the fprime-gds.
 ```shell