diff --git a/ChangeLog b/ChangeLog
index e4a8b0c..fc74fe2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2016-04-04  Ben Elliston  <bje@gnu.org>
+
+	* lib/targetdb.exp (set_board_info): Improve comment.
+	(add_board_info): Likewise.
+
 2016-04-04  Ben Elliston  <bje@gnu.org>
 
 	* NEWS: Add some more detail.
diff --git a/lib/targetdb.exp b/lib/targetdb.exp
index c92573d..97c4a75 100644
--- a/lib/targetdb.exp
+++ b/lib/targetdb.exp
@@ -55,22 +55,20 @@ proc host_info { op args } {
     return [eval "board_info host \"$op\" $args"]
 }
 
-# Fill in ENTRY with VALUE for the current board being defined.
+# Set ENTRY to VALUE for the current board.
 #
 proc set_board_info { entry value } {
     global board_info board
-
     if {![info exists board_info($board,$entry)]} {
 	set board_info($board,$entry) $value
     }
 }
 
 #
-# Add VALUE to ENTRY for the current board being defined.
+# Append VALUE to ENTRY for the current board.
 #
 proc add_board_info { entry value } {
     global board_info board
-
     lappend board_info($board,$entry) $value
 }