Copter: release notes fixes2 from tpwrules

Co-authored-by: Thomas Watson <[email protected]>

AntennaTracker/ReleaseNotes.txt

@@ -309,7 +309,7 @@ Changes from 4.5.7
 - Pass by reference values are always initialized
 - pelco_d_antennatracker.lua applet supports sending Pelco-D via RS-485 to PTZ cameras
 - plane_aerobatics.lua minor enhancements
-- REPL applet (read-evaluate-print-loop, see repl.lua)
+- REPL applet (read-evaluate-print-loop, see repl.lua) for interactive testing and experimentation
 - "require" keyword works for modules in ROMFS (e.g. not on SD card)
 - revert_param.lua supports more params (e.g ATC_RATE_R/P/Y, PTCH2SRV_TCONST, RLL2SRV_TCONST, TECS_)
 - Scripts may receive mavlink messages which fail CRC (e.g messages which FC does not understand)