diff --git a/lib/config/config_settings.h b/lib/config/config_settings.h
index 4d124c852..16a9437fb 100644
--- a/lib/config/config_settings.h
+++ b/lib/config/config_settings.h
@@ -32,7 +32,11 @@
  * 				CFG_ADVANCED - this node belongs to advanced config set
  * 				CFG_UNSUPPORTED - this node belongs to unsupported config set
  * 				CFG_PROFILABLE - this node is customizable by a profile
- * type:		allowed type for the value of simple configuation setting
+ * type:		allowed type for the value of simple configuation setting, one of:
+ * 				CFG_TYPE_BOOL
+ * 				CFG_TYPE_INT
+ * 				CFG_TYPE_FLOAT
+ * 				CFG_TYPE_STRING
  * types:		allowed types for the values of array configuration setting
  * 			(use logical "OR" to define more than one allowed type,
  * 			 e.g. CFG_TYPE_STRING | CFG_TYPE_INT)