Fix typo

Author: MasterDuke17

doc/Language/traps.pod6

@@ -555,7 +555,7 @@ right way to do it is to use C<$(…)> syntax.
     say ‘I ♥ camelia’ ~~ / $($x.flip) / # OUTPUT: «｢camelia｣␤»
 
 However, there is a wrong way to write it, and the problem is that
-works I<sometimes>.
+it works I<sometimes>.
 
 =for code
     my $x = ‘ailemac’;