That's one of several Bentley goofs (more below).

IMO, even though it has some errors, the Bentley manual is the one to have.
Mine is dog-eared from 13 years of use. The Haynes is like new.

PAGE #
032-7 — Fig. B10106, Fuel Pump/Filter misidentified
214-2 — Fig. 3. Shows front of camshaft. Text refers to "rubber plug" which is at the rear and probably refers to B21/23.
214-4 — Three erroneous Cautions about valve-to-piston interference.
214-5 — One erroneous valve/piston caution.
........
215-4 — Step 9 text ("pull") disagrees with Fig. 9 caption ("push").
215-5 — Step 7. "See Fig. 11" should conclude Step 6 (reference to guide plate).
215-5 — Tightening Torque stage 2 should be 60° (not 90°)
215-5 — Fig. 11 Camshaft sprocket should be Crankshaft
.........
216-9 — B230 crank pulley Tightening Torque missing (Stage 1-44 ft. lb., Stage 2-60°)
.........
220-5 — "Oil Pressure Warning System" No Oil Pressure info in "380 Instruments"as referenced.
.........
240-18 — "to test start injector" Step 2 says to disable ignition "as described in (Chapter 280, "remove wires from Coil terminal #1". But the Fuel relay won't energize without pulses from Coil #1. So there won't be any Fuel operation as needed in Step 5 to test the Cold Start Injector operation.
.........
240-21 — Can't adjust dwell (Step 5) with O2 sensor disconnected (Step 4). ECU needs O2 input in order to vary the dwell, based on mixture adjustments.
.........
250-5 — Replacing Intake Manifold, No need to drain coolant


>>>>>>[I'll be adding more when I remember to update this list]<<<<<<<<<


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Bruce Young
'93 940-NA (current), 240s (one V8), 140s, 122s, since '63.