df89ceed39 Fix typos (practicalswift) Pull request description: ACKs for top commit: jonasnick: ACK df89ceed39 Tree-SHA512: 8cd04469dd0c46259790f00f380a840c22f10424c2504a7667e70cfdb03f30801e34f3c53aeffc9259a971484d4a12f1dbe5ceade493c8559e8c00ec011e7c73
df89ceed39