diff --git a/syncoid b/syncoid
index 15dce0d..34d254c 100755
--- a/syncoid
+++ b/syncoid
@@ -17,7 +17,7 @@ use Capture::Tiny ':all';
 
 my $mbuffer_size = "16M";
 my $pvoptions = "-p -t -e -r -b";
-# Get number of CPUs for zstd threading, but leave at least two cores empty
+# Get number of CPUs for zstd threading, but leave at least two cores empty for system responsiveness
 my $ncpus = int(`nproc`);
 if ($ncpus > 2) { $ncpus -= 2;}