Under the release note for version 6.0.0, under topic "files, configuration and commands" 5th bullet mentions :
Run this command after your first installation of PXF, and/or after you upgrade your "Greenplum Database installation"
The hyperlink correctly points to the upgrade PXF documents , however the hyperlink text highlights only "Greenplum Database installation". This gives the impression that the URL is pointing to the installation guide and not the upgrade guide.
Location : https://gpdb.docs.pivotal.io/pxf/6-2/release/release-notes.html
Under the release note for version 6.0.0, under topic "files, configuration and commands" 5th bullet mentions :
Run this command after your first installation of PXF, and/or after you upgrade your "Greenplum Database installation"
The hyperlink correctly points to the upgrade PXF documents , however the hyperlink text highlights only "Greenplum Database installation". This gives the impression that the URL is pointing to the installation guide and not the upgrade guide.