Lintian tag information: upstream-metadata-yaml-invalid (type: warning)

Description (from lintian-explain-tags)

The DEP 12 metadata file is not well formed. The formatting need to be
adjusted to match the YAML specification.

Please refer to https://dep-team.pages.debian.net/deps/dep12/ for details.

Visibility: warning
Show-Always: no
Check: debian/upstream/metadata

Affected packages

source version binary tag type tag information count
node-dabh-diagnostics 2.0.2-5 warning upstream-metadata-yaml-invalid found character that cannot start any token (at document 1, line 5, column 7) [debian/upstream/metadata] 1