diff --git a/scterc.sh b/scterc.sh
index 555c9b0..435958b 100644
--- a/scterc.sh
+++ b/scterc.sh
@@ -6,6 +6,15 @@
 # SPDX-License-Identifier: CC0-1.0
 ###
 
+###
+# Description
+#
+# Configure SCTERC timeout for all disks, setting it to 7 seconds for improved
+# error handling. If SCTERC is unsupported, it increases the Linux I/O timeout
+# to 180 seconds. Adjusting timeouts prevents premature I/O failures during
+# extended error recovery, improving reliability.
+###
+
 sct=70      	# 70=7 seconds
 fallback=180	# 180 seconds