diff --git a/Makefile b/Makefile
index a5a7e2f..9d460ff 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 #  +-------------+---------+-----------------------+
 #  | John Breaux | jab0910 | JohnBreaux@my.unt.edu |
 #  +-------------+---------+-----------------------+
-#  |    Created 2022-04-04    Edited 2022-04-22    |
+#  |    Created 2022-04-04   Updated 2022-04-22    |
 #  +-----------------------------------------------+
 
 # ---------- Variables listed below --------- #
diff --git a/src/graph.cpp b/src/graph.cpp
index b795d5f..b7fbfa6 100644
--- a/src/graph.cpp
+++ b/src/graph.cpp
@@ -1,7 +1,7 @@
 /* +-------------+---------+-----------------------+
    | John Breaux | jab0910 | JohnBreaux@my.unt.edu |
    +-------------+---------+-----------------------+
-   |              Created  2022-04-17              |
+   |    Created 2022-04-17   Updated 2022-04-23    |
    +-----------------------------------------------+  */
 #include "graph.hpp"
 // clang-format off
diff --git a/src/main.cpp b/src/main.cpp
index 44ae169..b3be782 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,13 +1,16 @@
-/* +-------------+---------+-----------------------+
-   | John Breaux | jab0910 | JohnBreaux@my.unt.edu |
-   |             |         |                       | //TODO put your names here
-   +-------------+---------+-----------------------+
-   |              Created  2022-04-16              |
-   +-----------------------------------------------+  */
-#include "graph.hpp" // Graph reduction/Knot detection, struct adjmatrix
+/* ╔════════════════╦══════════════════════════╗
+   ║    John Breaux ║    JohnBreaux@my.unt.edu ║
+   ║ Gabriel Castro ║ GabrielCastro@my.unt.edu ║
+   ║ Michael Laymon ║ MichaelLaymon@my.unt.edu ║
+   ╠════════════════╩══════════════════════════╣
+   ║  Created 2022-04-16   Updated 2022-04-23  ║
+   ╚═══════════════════════════════════════════╝  */
+
+#include <string>
+
+#include "graph.hpp" // graph, Graph reduction/Knot detection
 
 int main (int argc, char **argv) {
-   // TODO: Grab file name from args
    //? Command line argument structure?
    //? Other flags? What other features should this have?
    if (argc < 2) return 1;
@@ -20,10 +23,9 @@ int main (int argc, char **argv) {
       return err;
    }
    g.print ();
-
-   // TODO: Implement graph reduction and/or knot detection
-   printf ("Graph is %s\n", g.reducible () ? "not reducible! Deadlock!" : "reducible! No deadlock!"); //?
-
-   // TODO: Destroy the graph created by read_file
+   // Graph reduction
+   printf ("Graph is %s\n", g.reducible () ? "not reducible! Deadlock!" : "reducible! No deadlock!");
+   // TODO: Knot detection
+   // printf ("Graph is %s\n", g.knotted () ? "knotted! Deadlock!" : "not! No deadlock!");
    return 0;
-}
\ No newline at end of file
+}
diff --git a/src/read.cpp b/src/read.cpp
index d684498..e3726f1 100644
--- a/src/read.cpp
+++ b/src/read.cpp
@@ -1,12 +1,14 @@
 /* +-------------+---------+-----------------------+
    | John Breaux | jab0910 | JohnBreaux@my.unt.edu |
    +-------------+---------+-----------------------+
-   |              Created  2022-04-17              |
+   |    Created 2022-04-17   Updated 2022-04-23    |
    +-----------------------------------------------+  */
 #include "read.hpp"
 
 #include <fstream>
 #include <regex>
+#include <string>
+#include <vector>
 
 #include "graph.hpp"
 
diff --git a/src/reducible.cpp b/src/reducible.cpp
index 84eb36b..d3cbeb1 100644
--- a/src/reducible.cpp
+++ b/src/reducible.cpp
@@ -1,8 +1,11 @@
 /* +-------------+---------+-----------------------+
    | John Breaux | jab0910 | JohnBreaux@my.unt.edu |
    +-------------+---------+-----------------------+
-   |              Created  2022-04-22              |
+   |    Created 2022-04-22   Updated 2022-04-23    |
    +-----------------------------------------------+  */
+
+#include <vector>
+
 #include "graph.hpp"
 
 using std::vector;