Update 02_match.md

Author: LukeMathWalker

book/src/05_ticket_v2/02_match.md

@@ -73,5 +73,5 @@ The `_` pattern matches anything that wasn't matched by the previous patterns.
 By using this catch-all pattern, you _won't_ get the benefits of compiler-driven refactoring.\
 If you add a new enum variant, the compiler _won't_ tell you that you're not handling it.
 
-In general, prefer to avoid catch-all patterns unless you're really sure future new variants should be handled the same way.
+If you're keen on correctness, avoid using catch-alls. Leverage the compiler to re-examine all matching sites and determine how new enum variants should be handled.
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