diff --git a/cogs/admin.py b/cogs/admin.py
index a296c4a..ad78bae 100644
--- a/cogs/admin.py
+++ b/cogs/admin.py
@@ -42,6 +42,29 @@ async def create_puzzle(
     ):
         await interaction.response.defer()
 
+        """
+        puzzle_id will be made to fit the form
+        [UNI]-[ID_NUM]
+        e.g USYD-09
+        UTS-02
+        UNSW-03
+
+        except for the meta which will be
+        [UNI]-M
+        e.g USYD-M
+
+        AND except for the metameta which will just be
+        METAMETA
+        
+        Get all puzzles from the given uni (puzzles are given in ascending order)
+        start at 1 and count up through each puzzle. if the number matches the
+        puzzle id, then that id number is not missing and we keep going.
+        if we finish going through all the puzzles with none missing then
+        id_num will be equal to the next number in the sequence.
+        if we see a puzzle whose id doesn't match the current id_num, then
+        that means a puzzle with that id was removed and we now fill that hole.
+        """
+
         # check for metameta
         puzzle_id = ""
         if uni == "METAMETA":