fix: correct departures to approaches in NZAA sector info (#128)

docs/aerodromes/Class-C/nzaa.md

@@ -123,7 +123,7 @@ The Tower shall ensure that all VFR traffic within the Auckland CTR/C does not c
 
 Unless established within the aerodrome circuit, Tower must ensure that no VFR aircraft are present within the Instrument Sector when an aircraft is either turning onto, or established on an approach. VFR aircraft are not authorised to operate under any approach path, or within 3nm laterally of the approach path.
 
-Aircraft that have been cleared to operate within the North or South sectors are deemed to be separated from IFR arrivals on the ILS or RNP Z approaches, but not from RNP (AR) departures.
+Aircraft that have been cleared to operate within the North or South sectors are deemed to be separated from IFR arrivals on the ILS or RNP Z approaches, but not from RNP (AR) approaches.
 
 ### Departures