diff --git a/docs/ref/contrib/postgres/fields.txt b/docs/ref/contrib/postgres/fields.txt
index 760286d..084ad8f 100644
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HStoreField
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251 | 251 | A field for storing mappings of strings to strings. The Python data type |
252 | 252 | used is a ``dict``. |
253 | 253 | |
| 254 | To use this field, you'll need setup the hstore extension in PostgreSQL by |
| 255 | adding a migration with the |
| 256 | :class:`~django.contrib.postgres.operations.HStoreExtension` operation. |
| 257 | You'll see an error like ``'type "hstore" does not exist'`` if you skip |
| 258 | this step. |
| 259 | |
254 | 260 | .. note:: |
255 | 261 | |
256 | 262 | On occasions it may be useful to require or restrict the keys which are |