diff --git a/syndicate/mc/preserve.md b/syndicate/mc/preserve.md
index 7b8344b..858005f 100644
--- a/syndicate/mc/preserve.md
+++ b/syndicate/mc/preserve.md
@@ -415,7 +415,7 @@ value with `\x`.
            binchar = binunescaped / escape (escaped / %x22 / %s"x" 2HEXDIG)
       binunescaped = %x20-21 / %x23-5B / %x5D-7E
 
-The second is as a sequence of pairs hexadecimal digits interleaved
+The second is as a sequence of pairs of hexadecimal digits interleaved
 with whitespace and surrounded by `#hex{` and `}`.
 
        ByteString =/ %s"#hex{" *(ws / 2HEXDIG) ws "}"