diff --git a/xymon/plugins/client/ext/smartoverall b/xymon/plugins/client/ext/smartoverall
index f1c6866..c7a5040 100755
--- a/xymon/plugins/client/ext/smartoverall
+++ b/xymon/plugins/client/ext/smartoverall
@@ -126,7 +126,8 @@ is_disk_support_smart() {
 
 ## Clean temp files
 ### As the Xymon's tmpdir is used to store log files, no need to delete them at
-### the end of the script. They will be emptied at the beginning of the next run.
+### the end of the script. They will be emptied, reused or regenerate (if oldest
+### than the expected interval) at the next run.
 
 }
 ## ]]]
@@ -160,6 +161,7 @@ choose_correct_type() {
 # Create or empty previous files
 true > "${plugin_result}"
 true > "${plugin_state}"
+## Create or empty previous file only if older than 24h (1440 minutes)
 regenerate_if_too_old "${device_list}" 1440
 regenerate_if_too_old "${drivedb_list}" 1440
 
@@ -284,8 +286,9 @@ $(< "${plugin_state}" cut -c2-)
 $(cat "${plugin_result}")
 "
 
-# Clean temp files
-## As the Xymon's tmpdir is used to store log files, no need to delete them at
-## the end of the script. They will be emptied at the beginning of the next run.
+## Clean temp files
+### As the Xymon's tmpdir is used to store log files, no need to delete them at
+### the end of the script. They will be emptied, reused or regenerate (if oldest
+### than the expected interval) at the next run.
 
 exit 0