Fixes small typo in the NC reminder (#2692)

nsv13/code/game/gamemodes/overmap/shakedown.dm

@@ -10,7 +10,7 @@
 	reminder_one = "This is Centcomm to all vessels assigned to patrol the Rosetta Cluster, please continue on your shakedown."
 	reminder_two = "This is Centcomm to all vessels assigned to patrol the Rosetta Cluster, we are not paying you to idle in space during your assignment."
 	reminder_three = "This is Centcomm to all vessels assigned to patrol the Rosetta Cluster, your inactivity has been noted and will not be tolerated."
-	reminder_four = "This is Centcomm to the explore vessel currently assigned to the Rosetta Cluster, you are expected to fulfill your assigned mission."
+	reminder_four = "This is Centcomm to the exploration vessel currently assigned to the Rosetta Cluster, you are expected to fulfill your assigned mission."
 	reminder_five = "Your pay has been docked to cover expenses, continued ignorance of your mission will lead to removal by force."
 
 	selection_weight = 5