diff --git a/epan/dissectors/packet-tcp.h b/epan/dissectors/packet-tcp.h
index a33472a978..4ca4fb5bf9 100644
--- a/epan/dissectors/packet-tcp.h
+++ b/epan/dissectors/packet-tcp.h
@@ -51,7 +51,8 @@ struct tcpheader {
 };
 
 /*
- * Private data passed from the TCP dissector to subdissectors.
+ * Private data passed from the TCP dissector to subdissectors. Passed to the 
+ * subdissectors in pinfo->private_data
  */
 struct tcpinfo {
 	guint32 seq;             /* Sequence number of first byte in the data */
diff --git a/epan/req_resp_hdrs.h b/epan/req_resp_hdrs.h
index 3a91483fb5..841fbc390c 100644
--- a/epan/req_resp_hdrs.h
+++ b/epan/req_resp_hdrs.h
@@ -26,8 +26,15 @@
 #ifndef __REQ_RESP_HDRS_H__
 #define __REQ_RESP_HDRS_H__
 
-/*
+/**
  * Optionally do reassembly of the request/response line, headers, and body.
+ *
+ *  @param tvb  The buffer.
+ *  @param offset   The offset in the buffer to begin inspection.
+ *  @param pinfo    Packet info from the parent protocol.
+ *  @param desegment_headers    Do desegmentation on headers.
+ *  @param desegment_body   Do desegmenation on body.
+ *  @return TRUE if desegmentation is complete otherwise FALSE
  */
 extern gboolean
 req_resp_hdrs_do_reassembly(tvbuff_t *tvb, int offset, packet_info *pinfo,