diff --git a/nmap_rpc.cc b/nmap_rpc.cc
index 5b5ba1b46..6ed21e562 100644
--- a/nmap_rpc.cc
+++ b/nmap_rpc.cc
@@ -1,6 +1,6 @@
 
 /***************************************************************************
- * rpc.cc -- Functions related to the RPCGrind (-sR) facility of Nmap.     *
+ * nmap_rpc.cc -- Functions related to the RPCGrind (-sR) facility of Nmap *
  * This includes reading the nmap-rpc services file and sending rpc        *
  * queries and interpreting responses.  The actual scan engine used for    *
  * rpc grinding is pos_scan (which is not in this file)                    *
diff --git a/nmap_rpc.h b/nmap_rpc.h
index 5d2f19cf5..d2d99b250 100644
--- a/nmap_rpc.h
+++ b/nmap_rpc.h
@@ -1,6 +1,6 @@
 
 /***************************************************************************
- * rpc.h -- Functions related to the RPCGrind (-sR) facility of Nmap.      *
+ * nmap_rpc.h -- Functions related to the RPCGrind (-sR) facility of Nmap. *
  * This includes reading the nmap-rpc services file and sending rpc        *
  * queries and interpreting responses.  The actual scan engine used for    *
  * rpc grinding is pos_scan (which is not in this file)                    *
diff --git a/output.h b/output.h
index 7ef8953f2..c30aed7e7 100644
--- a/output.h
+++ b/output.h
@@ -1,6 +1,6 @@
 
 /***************************************************************************
- * output.c -- Handles the Nmap output system.  This currently involves    *
+ * output.h -- Handles the Nmap output system.  This currently involves    *
  * console-style human readable output, XML output, Script |<iddi3         *
  * output, and the legacy greppable output (used to be called "machine     *
  * readable").  I expect that future output forms (such as HTML) may be    *