book: fix mistake (File::open -> File::create)#36374

Merged

bors merged 2 commits intorust-lang:masterfrom

danclive:patch-1

Sep 14, 2016

Commits on Sep 10, 2016

fix mistake (File::open -> File::create)
danclive
authored

Commits on Sep 12, 2016

change error message
danclive
authored