We discuss differential-difference properties of the extended Jacobi polynomials
\[
P
n
(
x
)
=
p
+
2
F
q
(
−
n
,
n
+
λ
,
a
p
;
b
q
;
x
)
(
n
=
0
,
1
,
…
)
.
{P_n}(x){ = _{p + 2}}{F_q}( - n,n + \lambda ,{a_p};{b_q};x)\quad (n = 0,1, \ldots ).
\]
The point of departure is a corrected and reformulated version of a differential-difference equation satisfied by the polynomials
P
n
(
x
)
{P_n}(x)
, which was derived by Wimp (Math. Comp., v. 29, 1975, pp. 577-581).