diff --git a/docs/topics/i18n/internationalization.txt b/docs/topics/i18n/internationalization.txt
index 7ae8d18..35dad75 100644
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construct is internally converted to an ``ungettext`` call. This means the
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421 | 421 | same :ref:`notes regarding ungettext variables <pluralization-var-notes>` |
422 | 422 | apply. |
423 | 423 | |
| 424 | Reverse URL lookups cannot be carried out within the ``blocktrans`` and should |
| 425 | be retrieved (and stored) beforehand:: |
| 426 | |
| 427 | {% url path.to.view arg arg2 as the_url %} |
| 428 | {% blocktrans %} |
| 429 | This is a URL: {{ the_url }} |
| 430 | {% endblocktrans %} |
| 431 | |
424 | 432 | .. _template-translation-vars: |
425 | 433 | |
426 | 434 | Other tags |