On the last paragraph of page 266, the following text is present:

“”"
In this section, you’ll automate this process and create two different scripts,
one for the primary node and another foe the secondary nodes. The initializa-
tion script for your primary node, which starts your swarm, saves the token
in the Parameter Store, ensures port 22 is open, and creates the SwarmReady
“”"

As much as I enjoy envisioning the secondary nodes to be foe’s, I think this word should be for.