Oxford comma

Author: MasterDuke17

doc/Type/Backtrace.pod6

@@ -119,7 +119,7 @@ Defined as:
     multi method full(Backtrace:D:)
 
 Returns a full string representation of the backtrace, including hidden
-frames, compiler-specific frames and those from the setting.
+frames, compiler-specific frames, and those from the setting.
 
     my $backtrace = Backtrace.new;
     say $backtrace.full;