@@ -293,7 +293,7 @@ shift them.
295`encoder` and `decoder` utilize the `rotation` and `space-adder` arms. These gates
295`encoder` and `decoder` utilize the `rotation` and `space-adder` arms. These gates
296−are essentially identical, with the arguments passed to `rotation` reversed. They
296+are essentially identical, with the arguments passed to `space-adder` reversed. They
297simplify the two common transactions you want to do in this program: producing `maps`
297simplify the two common transactions you want to do in this program: producing `maps`
298that we can use to encode and decode messages.
298that we can use to encode and decode messages.