diff --git a/userprog/argument_parsing.h b/userprog/argument_parsing.h
index 7a490ec47caf6d4edf8d95d78de0c10528da0a53..585efe1b65621145e6316efb3b7ecfcc35c470d7 100644
--- a/userprog/argument_parsing.h
+++ b/userprog/argument_parsing.h
@@ -1,3 +1,9 @@
+/*
+ * argument_parsing.h --prototypes functions required for parsing arguments from
+ * command line and placing these into the program stack structure.
+ *
+ * Authored by Joshua Saxby
+ */
 #ifndef USERPROG_ARGUMENT_PARSING_H
 #define USERPROG_ARGUMENT_PARSING_H
 
diff --git a/userprog/parse_arguments.c b/userprog/parse_arguments.c
index 85fcdafbf58fffa2dc4fae4067bc4667928f6ab8..59987499ed8903c3d56bdb585e9a0ebfe95875ee 100644
--- a/userprog/parse_arguments.c
+++ b/userprog/parse_arguments.c
@@ -1,3 +1,9 @@
+/*
+ * parse_arguments.c --implements function for pasing a command-line string into
+ * the program arguments contained within it.
+ *
+ * Authored by Joshua Saxby
+ */
 #include <stddef.h>
 #include <string.h>