message: Insert missing backtick
diff: @@ -93,7 +93,7 @@ the sizes of all tables must be known at constraint system time, we can treat
  this as a fixed column. For example, this converts a lookup `(a, b, c)` in the
  table with ID `1` into a lookup of `(a, b, c, 1)` in the combined table, and
  ensures that any value `(x, y, z)` from table ID `2` will not match that
  -lookup, since its representative is (x, y, z, 2)`.
  +lookup, since its representative is `(x, y, z, 2)`.
  To avoid any interaction between the `TableID` column and any other data in
  the tables, we use `TableID * joint_combiner^max_joint_size` to mix in the
  