diff --git a/epan/packet_info.h b/epan/packet_info.h
index 50f5cda733..a10caa04f2 100644
--- a/epan/packet_info.h
+++ b/epan/packet_info.h
@@ -135,7 +135,7 @@ typedef struct _packet_info {
   GHashTable *private_table;    /**< a hash table passed from one dissector to another */
 
   wmem_list_t *layers;          /**< layers of each protocol */
-  wmem_map_t *proto_layers;     /** map of proto_id to curr_layer_num. */
+  wmem_map_t *proto_layers;     /** map of proto_id to curr_proto_layer_num. */
   guint8 curr_layer_num;        /**< The current "depth" or layer number in the current frame */
   guint8 curr_proto_layer_num;  /**< The current "depth" or layer number for this dissector in the current frame */
   guint16 link_number;