trivial: Fix reno typos

This patchset fixes reno typos in a file that were highlighted
in review I57a0be85b0da8dd13dd36b419b9be8feec151d88. This
included a redundant preposition and missing period. This corrects
those issues.

Change-Id: I190acb1a2297804faca53e0a2dd6a3f2cb0db908
1 file changed