Update NFR in developer guide

docs/DeveloperGuide.adoc

@@ -852,8 +852,8 @@ _{More to be added}_
 .  Should work on any <<mainstream-os,mainstream OS>> as long as it has Java `1.8.0_60` or higher installed.
 .  Should be able to hold up to 1000 persons without a noticeable sluggishness in performance for typical usage.
 .  A user with above average typing speed for regular English text (i.e. not code, not system admin commands) should be able to accomplish most of the tasks faster using commands than using the mouse.
-
-_{More to be added}_
+.  Need to have access to the app while driving, needs to work offline and have internet access for any updates during the day
+.  Driver needs to be trained in the tool so it should be user-friendly
 
 [appendix]
 == Glossary
@@ -925,4 +925,4 @@ _{ more test cases ... }_
 
 .. _{explain how to simulate a missing/corrupted file and the expected behavior}_
 
-_{ more test cases ... }_
+_{ more test cases ... }_