lintian error: missing-separator-between-items

In building ubuntu-keyboard 402, lintian display various errors and warnings:

E: ubuntu-keyboard source: missing-separator-between-items in ubuntu-keyboard-croatian depends field between 'myspell-hr' and '${misc:Depends}'
E: ubuntu-keyboard source: missing-separator-between-items in ubuntu-keyboard-czech depends field between 'myspell-cs' and '${misc:Depends}'
E: ubuntu-keyboard source: missing-separator-between-items in ubuntu-keyboard-hebrew depends field between 'myspell-he' and '${misc:Depends}'
E: ubuntu-keyboard source: missing-separator-between-items in ubuntu-keyboard-italian depends field between 'myspell-it' and '${misc:Depends}'
E: ubuntu-keyboard source: missing-separator-between-items in ubuntu-keyboard-norwegian-bokmal depends field between 'myspell-nb' and '${misc:De
pends}'
E: ubuntu-keyboard source: missing-separator-between-items in ubuntu-keyboard-portuguese depends field between 'myspell-pt' and '${misc:Depends}
'
E: ubuntu-keyboard source: missing-separator-between-items in ubuntu-keyboard-spanish depends field between 'myspell-es' and '${misc:Depends}'
W: ubuntu-keyboard source: debhelper-but-no-misc-depends ubuntu-keyboard-croatian
W: ubuntu-keyboard source: debhelper-but-no-misc-depends ubuntu-keyboard-czech
W: ubuntu-keyboard source: debhelper-but-no-misc-depends ubuntu-keyboard-hebrew
W: ubuntu-keyboard source: debhelper-but-no-misc-depends ubuntu-keyboard-italian
W: ubuntu-keyboard source: debhelper-but-no-misc-depends ubuntu-keyboard-norwegian-bokmal
W: ubuntu-keyboard source: debhelper-but-no-misc-depends ubuntu-keyboard-portuguese

Missing comma after "myspell-foo" is reason above messages.