Tweaks memo input text slightly (#2596)

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## About The Pull Request

Changes info shown to shipowners abotu ship memos

## Changelog

:cl:
tweak: Changed the text shown to shipowners about making a memo.
/:cl:

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code/modules/overmap/ships/owner_action.dm

@@ -134,7 +134,7 @@
 
 		if("memo")
 			var/memo_result = sanitize(stripped_multiline_input(
-				user, "Enter a message for prospective players joining your ship. Playstyle and RP level information is encouraged.",
+				user, "Enter a message for prospective players joining your ship. This information could include your goals for the outing, or details about the way your ship may play.",
 				"Ship Memo", parent_ship.memo
 			))
 			// stripped_multiline_input returns an empty string if people press Cancel, but