diff --git a/scst/README b/scst/README
index e49e84255..29206e147 100644
--- a/scst/README
+++ b/scst/README
@@ -514,6 +514,11 @@ Every target should have at least the following entries:
 
  - sessions - subdirectory containing connected to this target sessions.
 
+ - comment - this attribute can be used to store any human readable info
+   to help identify target. For instance, to help identify the target's
+   mapping to the corresponding hardware port. It isn't anyhow used by
+   SCST.
+
  - enabled - using this attribute you can enable or disable this target/
    It allows to finish configuring it before it starts accepting new
    connections. 0 by default.
diff --git a/scst/README_in-tree b/scst/README_in-tree
index 4937c8a60..2e32accdb 100644
--- a/scst/README_in-tree
+++ b/scst/README_in-tree
@@ -382,6 +382,11 @@ Every target should have at least the following entries:
 
  - sessions - subdirectory containing connected to this target sessions.
 
+ - comment - this attribute can be used to store any human readable info
+   to help identify target. For instance, to help identify the target's
+   mapping to the corresponding hardware port. It isn't anyhow used by
+   SCST.
+
  - enabled - using this attribute you can enable or disable this target/
    It allows to finish configuring it before it starts accepting new
    connections. 0 by default.