It is not a typo. That's official factory instruction.
The later FED-2
had a shutter dial which was different from the earlier ones. The earlier FED-2 used a dial which was similar to the one found on the FED-1 and yes, even the later FED-3, -4, and -5. These were the "solid" dials which required cocking before changing speeds.
However, on the later dials speed changing
before or after cocking was possible. These dials were two-piece affairs. The outer portion of the dial where the shutter speeds marks were could be turned independently of the central part. This allowed the dial to be moved regardless of the shutter's state.
When the outer dial is lifted, the pin which engage with the speed regulator disc can be safely moved from one position to another. The central portion stays in place. No harm can be done to the shutter with this type of dial when it is shifted uncocked.
This isn't possible with the singled dial types. Doing this with the single dial types can damage the shutter speed mechanism. Single dials are connected to the shaft of the shutter drum. It is the drum's movement in the shutter's uncocked state - as what would happen if the single dial is moved for changing speeds- which causes shutter damage.
The double dial design was also found in Zorki-5, Zorki-6, Zenit 3M, and Zenit-E.
I've changed speeds with double dials with the shutter uncocked. I can vouch that nothing bad happens to the shutter and it works. They were designed to work that way. Of course, it's better to err on the safe side and always change speeds when the shutter is cocked.
Why FED reverted to the older-style single piece dial can be a matter of speculation. Single-piece dials were easier and faster, and costs less to make.
That would mean more cameras coming off the assembly line in shorter times. Or perhaps, the double dial design did not allow the incorporation of a slow speed mechanism.
Jay