.snakes about has the wrong prefix
## Description
<!-- Describe the bug you've found -->
The text in the `.snakes about` command has the wrong prefix for the commands you should try. It uses `!` as a prefix instead of `.`

## Steps to Reproduce
<!-- Detail the exact list of steps to be able to encounter the bug -->
1. Do `.snakes about`
2. Read the embed and notice the bot's command has a prefix with `!` not `.`

## Expected Behaviour
<!-- Outline what you expect to occur, include screenshots if relevant -->
It talks about the bot then says
The bot says
> Make sure you check out `.snakes sal`, `.snakes draw` and `.snakes hatch` to see what they came up with.
in the embed

## Actual Behaviour
<!-- Outline what occurs instead of the expected behaviour, include screenshots if relevant -->
The bot says
> Make sure you check out `!snakes sal`, `!snakes draw` and `!snakes hatch` to see what they came up with.
in the embed

## Known Impacted Platforms
<!-- Replace [ ] with [x] to mark items -->

- [x] Web
- [x] Desktop
- [x] Android App
- [x] iOS App

## Possible Solutions
<!-- Detail any solutions you might have in mind to be able to resolve the bug -->
Change the text on the embed to change the command prefix from `!` to `.`

## Would you like to implement a fix?

***Note: For high-priority or critical bugs, fixes may be implemented by staff.***
<!-- Replace [ ] with [x] with your choice -->

- [ ] I'd like to implement the bug fix
- [x] Anyone can implement the bug fix

diff --git a/bot/exts/evergreen/snakes/snakes_cog.py b/bot/exts/evergreen/snakes/snakes_cog.py
index 36c176ce..b3896fcd 100644
--- a/bot/exts/evergreen/snakes/snakes_cog.py
+++ b/bot/exts/evergreen/snakes/snakes_cog.py
@@ -945,13 +945,15 @@ class Snakes(Cog):
             title="About the snake cog",
             description=(
                 "The features in this cog were created by members of the community "
-                "during our first ever [code jam event](https://gitlab.com/discord-python/code-jams/code-jam-1). \\n\\n"
+                "during our first ever "
+                "[code jam event](https://pythondiscord.com/pages/code-jams/code-jam-1-snakes-bot/). \\n\\n"
                 "The event saw over 50 participants, who competed to write a discord bot cog with a snake theme over "
                 "48 hours. The staff then selected the best features from all the best teams, and made modifications "
                 "to ensure they would all work together before integrating them into the community bot.\\n\\n"
                 "It was a tight race, but in the end, <@!104749643715387392> and <@!303940835005825024> "
-                "walked away as grand champions. Make sure you check out `!snakes sal`, `!snakes draw` "
-                "and `!snakes hatch` to see what they came up with."
+                f"walked away as grand champions. Make sure you check out `{ctx.prefix}snakes sal`,"
+                f"`{ctx.prefix}snakes draw` and `{ctx.prefix}snakes hatch` "
+                "to see what they came up with."
             )
         )
 
['bot/exts/evergreen/snakes/snakes_cog.py']