https://www.waze.com/editor/?lon=-76.83065&lat=40.29303&zoom=5
The section of road between 39th St. and Sterling is labelled as Walnut St, but should be Jonestown Rd. Need a lvl 3 to make the change.
https://www.waze.com/editor/?lon=-76.83065&lat=40.29303&zoom=5
The section of road between 39th St. and Sterling is labelled as Walnut St, but should be Jonestown Rd. Need a lvl 3 to make the change.

This looks to be correct based on the signage at Franklin St and Walnut/Jonestown. My guess is that the road name changes once you enter Lower Paxton Township
The signage is a bit ambiguous, the intersection at 39th only lists Walnut St and the intersection at Sterling only lists Jonestown. The businesses along this segment, however, have Jonestown Rd. addresses.
I misinterpreted the request - the best thing to do then would be to add Jonestown Rd as an alternate name for the segment between 39th and Sterling - that way it’d still resolve for search. If the primary name was made Jonestown at 39th, it could be confusing for drivers along 39th as the only sign there indicates it’s Walnut.
I’ve lowered the lock to 1 so you can add the name. I’ll raise it back after you are done.
https://www.waze.com/editor/?env=usa&lon=-76.83073&lat=40.29335&s=246544787&zoom=6&segments=64230355
Change complete.