diff --git a/docs/ref/databases.txt b/docs/ref/databases.txt
index 4426e28..9e081d1 100644
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respectively, a ``ValueError`` is raised rather than truncating data.
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| 500 | 500 | MySQL does not store fractions of seconds. Fractions of seconds are truncated |
| 501 | 501 | to zero when the time is stored. |
| 502 | 502 | |
| | 503 | ``TIMESTAMP`` fields |
| | 504 | ~~~~~~~~~~~~~~~~~~~~ |
| | 505 | |
| | 506 | If you are using a legacy database that contains ``TIMESTAMP`` columns, you must |
| | 507 | set :setting:`USE_TZ = False <USE_TZ>` to avoid data corruption. Otherwise |
| | 508 | both MySQL and Django will attempt to convert from UTC to local time. |
| | 509 | |
| 503 | 510 | Row locking with ``QuerySet.select_for_update()`` |
| 504 | 511 | ------------------------------------------------- |
| 505 | 512 | |