It's not a typo, and it makes perfect sense once you know the details. There are 3 variants of 5G (massive IoT, URLLC for ultra-reliable and low latency, and massive broadband for high speed) and here it's the massive broadband one that is relevant. It is using high frequencies, sometimes "only" at 5 GHz but the main interest is above 10 GHz with "millimeter waves". At those high frequencies, the range is very short : about 200 to 300m, and to even get there one need a lot of antennas for beamforming (to focus the signal on the target).
In the end, mmWaves will also be used for mobile. But using it for fixed access first makes perfect sense : the cost of fiber is mostly on the last leg of the connection, and this can be handled by 5G in a cheaper way. In the US, it will enable the telcos to challenge the cablos. Also, it's easier to start with fixed access: when doing aggressive beamforming, the signal is tightly focused on the target and nothing else. If the beam is not properly directed, one loose the connection. As you can imagine, it can be an interesting problem for mobile applications, where there is often no line of sight but the radio beam bounces before reaching the smartphone. A quick turn of the corner is a fast and brutal change. For a fixed connection, this issue disappear: the beam needs to be tuned, but it's very slow changing and easy to do. Plus for fixed access the constraints on size and power consumption are of course much relaxed compared to a handset.
So in summary: there is a business case for fixed access with 5G, and it's also an easier first step before full mobility.