Update README.md

Co-authored-by: Copilot <[email protected]>

Author: fhunleth

README.md

@@ -72,7 +72,7 @@ project for details.
 `:default_backend` is set to something else, then `:include_i2c_dev` defaults to
 `false`. If neither is set, then `Circuits.I2C.I2CDev` is built. On non-Linux
 platforms, the `Circuits.I2C.I2CDev` NIF will be compiled in test mode which
-minimal supports unit testing. Mocking is generally a better option for most
+minimally supports unit testing. Mocking is generally a better option for most
 users, though.
 
 ## I2C background