diff --git a/scan_engine.cc b/scan_engine.cc
index f7ff7cc15..eb1e0efcc 100644
--- a/scan_engine.cc
+++ b/scan_engine.cc
@@ -1,8 +1,8 @@
 
 /***************************************************************************
- * scanengine.cc -- Includes much of the "engine" functions for scanning,  *
+ * scan_engine.cc -- Includes much of the "engine" functions for scanning, *
  * such as pos_scan and ultra_scan.  It also includes dependant functions  *
- * such as those for collectiong SYN/connect scan responses.               *
+ * such as those for collecting SYN/connect scan responses.                *
  *                                                                         *
  ***********************IMPORTANT NMAP LICENSE TERMS************************
  *                                                                         *
diff --git a/scan_engine.h b/scan_engine.h
index 0aefe165c..fd011a712 100644
--- a/scan_engine.h
+++ b/scan_engine.h
@@ -1,8 +1,8 @@
 
 /***************************************************************************
- * scanengine.h -- Includes much of the "engine" functions for scanning,   *
+ * scan_engine.h -- Includes much of the "engine" functions for scanning,  *
  * such as pos_scan and ultra_scan.  It also includes dependant functions  *
- * such as those for collectiong SYN/connect scan responses.               *
+ * such as those for collecting SYN/connect scan responses.                *
  *                                                                         *
  ***********************IMPORTANT NMAP LICENSE TERMS************************
  *                                                                         *
diff --git a/utils.cc b/utils.cc
index 7a5241142..dc46b8e10 100644
--- a/utils.cc
+++ b/utils.cc
@@ -292,7 +292,7 @@ int numberlist2array(char *expr, u16 *dest, int destsize, char **errorstr, u16 m
     errorstr = &errbogus;
 
   if (destsize % 2 != 0) {
-    *errorstr = "Bogus call to numerlist2array() -- destsize must be a multiple of 2";
+    *errorstr = "Bogus call to numberlist2array() -- destsize must be a multiple of 2";
     return -1;
   }