Docs: Slightly adjust the description for $table_prefix in `wp-conf…

…ig-sample.php`.

This replaces the DB abbreviation for consistency, and aims to make the sentence a bit more clear.

Follow-up to [59044].

See #34189.

git-svn-id: https://develop.svn.wordpress.org/trunk@59240 602fd350-edb4-49c9-b593-d223f7449a82

wp-config-sample.php

@@ -65,7 +65,7 @@
  * You can have multiple installations in one database if you give each
  * a unique prefix. Only numbers, letters, and underscores please!
  *
- * At the installation time, DB tables names with $table_prefix are created.
+ * At the installation time, database tables are created with the specified prefix.
  * Changing this value after WordPress is installed will make your site think
  * it has not been installed.
  *