ruby2.5-rubygem-excon.armv7hl: W: description-shorter-than-summary rubygem-excon.src: W: description-shorter-than-summary The package description should be longer than the summary. be a bit more verbose, please. ruby2.5-rubygem-excon-doc.armv7hl: W: no-version-in-last-changelog ruby2.5-rubygem-excon.armv7hl: W: no-version-in-last-changelog rubygem-excon.src: W: no-version-in-last-changelog The latest changelog entry doesn't contain a version. Please insert the version that is coherent with the version of the package and rebuild it. ruby2.5-rubygem-excon.armv7hl: W: pem-certificate /usr/lib/ruby/gems/2.5.0/gems/excon-0.73.0/data/cacert.pem Shipping a PEM certificate is likely wrong. If used for the default configuration, this is insecure ( since the certificate is public ). If this is used for validation, ie a CA certificate store, then this must be kept up to date due to CA compromise. The only valid reason is for testing purpose, so ignore this warning if this is the case. ruby2.5-rubygem-excon.armv7hl: E: summary-not-capitalized (Badness: 20) C speed, persistence, http(s) rubygem-excon.src: E: summary-not-capitalized (Badness: 20) C speed, persistence, http(s) Summary doesn't begin with a capital letter. 3 packages and 0 specfiles checked; 2 errors, 6 warnings.