docs: clean up doc references for sqlite-based self-hosting (#3216)

## Checks
- [x] I am happy for maintainers to push small adjustments to this PR,
to speed up the review cycle
- [x] I have checked that there are no existing pull requests for the
same thing

---------

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/docs/docs/self-hosting/server-setup.md b/docs/docs/self-hosting/server-setup.md
index e983fa0b..11237c70 100644
--- a/docs/docs/self-hosting/server-setup.md
+++ b/docs/docs/self-hosting/server-setup.md
@@ -44,15 +44,19 @@ ATUIN_DB_URI="postgres://user:password@hostname/database"
 | `db_uri`            | A valid PostgreSQL URI, for saving history (default: false)    |
 | `path`              | A path to prepend to all routes of the server (default: false) |
 
-For sqlite, substitute the following:
+For sqlite, use the following in your server.toml:
 
+```toml
 db_uri="sqlite:///config/atuin.db"
+```
 
-ATUIN_DB_URI="sqlite:///config/atuin.db"
+Alternatively, provide the Database URI via an environment variable
 
-These will create the database in the /config directory.
+```sh
+ATUIN_DB_URI="sqlite:///config/atuin.db"
+```
 
-You will need to map some sort of persistent volume for the /config directory and it should be writable by the atuin server.
+These will create the database in the `/config` directory. Be sure to map a persistent volume to the `/config` directory that is writable by the atuin server.
 
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