Add link to polling interval

source/docs/use/repositories/dashboard.md

@@ -51,7 +51,7 @@ You can search for both downloaded and available repositories in HACS.
 
 ## Updating repository metadata
 
-HACS regularly checks the repositories for updates and imports the new metadata, if there were changes. The metadata is what HACS knows about this repository. For example: the description, the documentation, the version information. In general, you do not need to check for updates. It is done automatically. But if you want to check immediately, you can manually trigger an update of the repository data.
+HACS [regularly checks the repositories for updates](/docs/faq/data_sources/#updates) and imports the new metadata, if there were changes. The metadata is what HACS knows about this repository. For example: the description, the documentation, the version information. In general, you do not need to check for updates. It is done automatically. But if you want to check immediately, you can manually trigger an update of the repository data.
 
 1. In Home Assistant, open HACS and find the repository of interest.
 2. On the repository entry, select the 3 dots :material-dots-vertical: menu, then select **Update information**.