Minor changes (review round 1)

README.md

@@ -20,8 +20,8 @@ successfully tested on the following boards:
 ## Disclaimer
 
 This project is **proof-of-concept and a research platform**. It is **NOT**
-meant for a day to day usage. It's still under development and as such comes
-with a few limitations:
+meant for a daily usage. It's still under development and as such comes with a
+few limitations:
 
 ### FIDO2
 

deploy.py

@@ -516,6 +516,7 @@ class OpenSKInstaller:
 
   def create_hex_file(self, dest_file):
     # We produce an intelhex file with everything in it
+    # https://en.wikipedia.org/wiki/Intel_HEX
     # pylint: disable=g-import-not-at-top,import-outside-toplevel
     import intelhex
     board_props = SUPPORTED_BOARDS[self.args.board]