Yeah, you are correct.
This website shows that all 383 RR engines in 69' would have been E63, either variety.

http://www.genocide2600.com/~traviso/mml/bodydecode.html#e

The "Charger Road Runner & Super Bee Restoration Guide" by Paul Herd (1994) shows E62 as the regular 383 4bl for 1969, but does not list the E63 in the appendix.