Update layout of DESCRIPTION test

[pwep]

• Only a single space indent or the line is taken as verbatim (therefore not soft-wrapped)
• Reduced the number of characters per line
• Removed any trailing space from description lines

[codecov[bot]]

Codecov Report

Merging #83 (d046ca5) into cran210 (a88165b) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff            @@
##           cran210      #83   +/-   ##
========================================
  Coverage    74.73%   74.73%           
========================================
  Files           82       82           
  Lines         9752     9752           
========================================
  Hits          7288     7288           
  Misses        2464     2464           

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