diff --git a/Tools/portbuild/scripts/reportload.sh b/Tools/portbuild/scripts/reportload.sh
index a0e6cd27419f..5516e71d3a8a 100755
--- a/Tools/portbuild/scripts/reportload.sh
+++ b/Tools/portbuild/scripts/reportload.sh
@@ -1,4 +1,7 @@
 #!/bin/sh
+#
+# For use on the client.  Start the load reporting service at system
+# boot time.
 
 if [ "$1" != "start" ]; then exit; fi