# Spelling Correction File

If the IDOL Content component has performed spell checking, it generates a `prx.db` spelling correction file in its `IDOL > content > main` directory when it is shut down. The spelling correction file stores the corrections that you make.

For example:

    http://IDOLhost:port/action=Query&Text=san+fransisco&Spellcheck=True

If you perform this action, Content returns the obvious correction and a corrected version of the query text.

After Content stops, it creates the `prx.db` spelling correction file that contains the corrections it has made in a human-readable form. For example:

    <?xml version="1.0" encoding="UTF-8" ?><PROXIMALS>
    <PROXIMAL ORIG="FRANSISCO" CORRECT="FRANCISCO" />
    </PROXIMALS>

You can add further corrections to the file or amend any existing ones. You must specify the original and corrected spellings in upper case.

Your changes take effect when you start Content again.

You can exempt words from being spell checked by entering them and omitting the corrected attribute, for example:

    <PROXIMAL ORIG="TELEFONE" />

NOTE: Any changes that you make to the `prx.db` file must be valid XML, otherwise they are ignored.

NOTE: You can use the `SpellCheckCacheMaxSize` setting in the `[Server]` section of the configuration file to increase the number of spelling corrections that the cache and the `prx.db` file can store.

Related Topics

- Edit the Spelling Correction Cache

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