Unify spel of NimBLE

Author: asukiaaa

README.md

@@ -12,7 +12,7 @@ You can check and udpate firmware with using [Xbox accessories](https://www.micr
 ### Version infromation
 
 For NimBLE 2.1.0 or more, use version 1.1.0 or more of this library.<br />
-For NimBle less than 2.1.0 (1.4.3 or less), use version 1.0.9 of this library.
+For NimBLE less than 2.1.0 (1.4.3 or less), use version 1.0.9 of this library.
 
 ### Arduino IDE