diff --git a/queue/queue.c b/queue/queue.c
index 3e2aef611..d6f38a9cc 100644
--- a/queue/queue.c
+++ b/queue/queue.c
@@ -1,5 +1,5 @@
-#include <stdio.h>
-#include <stdlib.h>
+#include <stdio.h> // header files//
+#include <stdlib.h> // header files//
 #include "lib.h"
 
 typedef struct Queue {
@@ -70,4 +70,4 @@ int main(void)
 
     return 0;
 }
-#endif
\ No newline at end of file
+#endif
diff --git a/strings/strings.c b/strings/strings.c
index e38601486..8dd75c087 100644
--- a/strings/strings.c
+++ b/strings/strings.c
@@ -1,5 +1,5 @@
-#include <stdio.h>
-#include <stdlib.h>
+#include <stdio.h>// header files//
+#include <stdlib.h>// header files//
 
 /*
     Given a character array s (as a pointer), return the number of