diff --git a/jstat b/jstat
index a7763fe..8e38bf8 100755
--- a/jstat
+++ b/jstat
@@ -1,7 +1,9 @@
 #!/bin/bash
 
+# make sure it doesn't run more than once
 pgrep -x "$(basename "$0")" | grep -v $$ >/dev/null && exit 0
 
+# placeholder for first loop pass
 xsetroot -name "Loading ..."
 
 while true; do