While a cliff can be tag with a node, they are more often tag as a way. See https://wiki.openstreetmap.org/wiki/Tag:natural%3Dcliff for more information on natural=cliff. 

Also, instead of adding the tag hashtags=#cwugeog to the feature, just start your changeset comment with #cwugeog plus the brief description of your edit.
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            Published using OSMCha: https://osmcha.org/changesets/166232316
            