</para><para>
Processing rules are accompanied by Pre-processing and Post-processing
rules. Like Processing rules, they apply only when opening a folder,
- but like Filtering rules, they are shared accross all folders. You can
+ but like Filtering rules, they are shared across all folders. You can
configure them from the <quote>Tools</quote> menu. Pre-processing rules
are executed before the folder's specific Processing rules, while
Post-processing rules are executed afterwards.