Correct an i.e. to e.g.

Author: MasterDuke17

doc/Language/concurrency.pod6

@@ -28,7 +28,7 @@ hyper-operators, autothreading junctions?
 Additionally, certain Perl features may implicitly operate in an asynchronous
 fashion, so in order to ensure predictable interoperation with these features,
 user code should, where possible, avoid the lower level concurrency APIs
-(i.e. L<Thread> and L<Scheduler> ) and use the higher-level interfaces.
+(e.g., L<Thread> and L<Scheduler> ) and use the higher-level interfaces.
 
 =head1 High-level APIs