Fix documentation

pynitrokey/cli/nk3/__init__.py

@@ -506,7 +506,7 @@ def version(ctx: Context) -> None:
 @nk3.command()
 @click.pass_obj
 def factory_reset(ctx: Context) -> None:
-    """Factory reset all functionnality of the device"""
+    """Factory reset all functionality of the device"""
     with ctx.connect_device() as device:
         device.factory_reset()
 
@@ -515,7 +515,7 @@ def factory_reset(ctx: Context) -> None:
 @click.pass_obj
 @click.argument("application", type=click.STRING, required=True)
 def factory_reset_app(ctx: Context, application: str) -> None:
-    """Factory reset all functionnality of the device"""
+    """Factory reset all functionality of an application"""
     with ctx.connect_device() as device:
         device.factory_reset_app(application)