diff --git a/17-Chernobyl/Code/inc/chernobyl.h b/17-Chernobyl/Code/inc/chernobyl.h
index b69a10f..657789a 100644
--- a/17-Chernobyl/Code/inc/chernobyl.h
+++ b/17-Chernobyl/Code/inc/chernobyl.h
@@ -4,10 +4,10 @@
 #include "chernobyl_types.h"
 
 u16 _main ();
-u16 walk (u16 r15);
+u16 walk (u16 r15); // unused
 u16 run ();
 
-u16 *create_hash_table (u16 r15, u16 r14);
+u16 *create_hash_table (u16 exponent, u16 size);
 u16 add_to_table (u16 *table, char *username, u16 pin);
 // Return address of a buffer from the table
 // r15 = buffer address. r14
diff --git a/17-Chernobyl/Code/src/chernobyl.c b/17-Chernobyl/Code/src/chernobyl.c
index 2ee4a1f..15e7ec8 100644
--- a/17-Chernobyl/Code/src/chernobyl.c
+++ b/17-Chernobyl/Code/src/chernobyl.c
@@ -1,4 +1,4 @@
-
+// Just look at the function signatures in chernobyl.h and chernobyl_stdlib.h
 #include "chernobyl.h"
 
 #include <stdio.h>
@@ -21,8 +21,8 @@ u16 to_decimal (char *buf) {
 int main (int argc, char **argv) {
    if (argc == 1) {
       char buf[0x600] = {0};
-      while (printf(">> "), _getsn (buf, 0x5ff), !feof (stdin)) {
-         printf ("hash: %x, dec: %x\n", hash (buf), to_decimal(buf));
+      while (printf (">> "), _getsn (buf, 0x5ff), !feof (stdin)) {
+         printf ("hash: %x, dec: %x\n", hash (buf), to_decimal (buf));
       };
    }
 
@@ -118,11 +118,11 @@ u16 add_to_table (u16 *table, char *username, u16 pin) {
       r12 = r12 + 3;
    }
    r12 >>= 2;
-   if (table[0] < r12) { // if there are more names in table than 10:
-      rehash(*table, r14); // Make more boxes, and shuffle them around?
+   if (table[0] < r12) {    // if there are more names in table than 10:
+      rehash (*table, r14); // Make more boxes, and shuffle them around?
    }
    table[0]++;
-   hash(r14);
+   hash (r14);
    r12 = 1 << table[1];
    // Then do some boring stuff
    return 0;