diff --git a/config/multithread b/config/multithread
index 18b24f959d..6d052382a9 100644
--- a/config/multithread
+++ b/config/multithread
@@ -152,10 +152,10 @@ start_multithread_build() {
   # Bootstrap GNU parallel
   MTWITHLOCKS=no $SCRIPTS/build parallel:host 2>&1 || die "Unable to bootstrap parallel package"
 
-  # if number of detected slots is 1 then don't bother using inter-process locks as this is a sequential build
+  # determine number of available slots for the given THREADCOUNT - optimise logging for single threaded builds
   [ $(seq 1 32 | ${TOOLCHAIN}/bin/parallel --plain --no-notice --max-procs ${THREADCOUNT} echo {%} | sort -n | tail -1) -eq 1 ] && singlethread=yes || singlethread=no
 
-  # create a single log file by default if not using locks (single build process), or the builder is a masochist
+  # create a single log file by default for a single threaded build (or the builder is a masochist)
   if [ "${singlethread}" = "yes" -a "${ONELOG,,}" != "no" ] || [ "${ONELOG,,}" = "yes" ]; then
     buildopts+=" --ungroup"
   else