Fix broken Grid documentation addColumn setHeaderCaption

[pleku]

This change is 

[hesara]

Review status: 0 of 1 files reviewed at latest revision, 1 unresolved discussion.

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documentation/components/components-grid.asciidoc, line 264 at r1 (raw file):

be obtained from the grid with [methodname]#getColumns()#.

The setter methods in [classname]#Column# fluent, so you can easily chain

verb missing

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Comments from Reviewable

[pleku]

Review status: 0 of 1 files reviewed at latest revision, 1 unresolved discussion.

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documentation/components/components-grid.asciidoc, line 264 at r1 (raw file):

Previously, hesara (Henri Sara) wrote…

verb missing

Done.

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Comments from Reviewable

[hesara]

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Reviewed 1 of 1 files at r2.
Review status: all files reviewed at latest revision, all discussions resolved.

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Comments from Reviewable