chore: typo

Co-authored-by: Oli Evans <oli.evans@gmail.com>

src/ipips/ipip-0412.md

@@ -33,7 +33,7 @@ This require to keeping some kind of reference either on disk, or in memory to
 previously seen blocks for two reasons.
 
 1. Blocks can arrive out of order, meaning when a block is consumed (data is
-   red and returned to the consumer) and when it's received might not match.
+   read and returned to the consumer) and when it's received might not match.
 1. Blocks can be reused multiple times, this is handy for cases when you plan
    to cache on disk but not at all when you want to process a stream with use &
    forget policy.