Cosmetics - fixing broken links.

[rjbordon]

Just some cosmetics fixes to properly set some links to samples!

Thank you for these patterns BTW!

[google-cla[bot]]

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[rjbordon]

@googlebot I signed it!

[rjbordon]

cc @rezarokni

[dsdinter]

LGTM - Thanks for the contribution @rjbordon !

[rjbordon]

Thank you guys! Awesome work!