Fix sqlc/db-prepare command name in docs (#2426)

docs/howto/vet.md

@@ -85,7 +85,7 @@ rules:
 ### sqlc/db-prepare
 
 When a [database](../reference/config.html#database) connection is configured, you can
-run the built-in `sqlc/db-preapre` rule. This rule will attempt to prepare
+run the built-in `sqlc/db-prepare` rule. This rule will attempt to prepare
 each of your queries against the connected database and report any failures.
 
 ```yaml
@@ -109,4 +109,4 @@ example](https://github.com/kyleconroy/sqlc/blob/main/examples/authors/sqlc.yaml
 
 Please note that `sqlc` does not manage or migrate your database. Use your
 migration tool of choice to create the necessary database tables and objects
-before running `sqlc vet`.
+before running `sqlc vet`.