Update 04.cve_sources.md

The CVE DB is not always updated --every-- day

Author: jorn-k

docs/06.scanning/04.cve_sources/04.cve_sources.md

@@ -7,7 +7,7 @@ slug: /scanning/cve_sources
 
 ### NeuVector Vulnerability (CVE) Database
 
-The [NeuVector vulnerability database](https://vdb.neuvector.com/) is updated nightly with sources from popular container base images and package providers. These updates are automatically built into the updater container and published to the NeuVector private docker hub registry. The list of sources included is evaluated frequently to ensure the accuracy of scan results.
+The [NeuVector vulnerability database](https://vdb.neuvector.com/) is generally updated nightly, as practicable, based upon sources from popular container base images and package providers. These updates are automatically built into the updater container and published to the NeuVector private docker hub registry. The list of sources included is evaluated frequently to ensure the accuracy of scan results.
 
 :::note
 You control when to update the CVE database in your deployment. Please see the section Updating the CVE Database for details on how to update.