Add a mention of 80 column lines and reflow the document to hide the
evidence.

Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
Merge pull request #5787 from SvenDowideit/pr_out_add_a_mention_of_80_column_lines_and_reflow_the_document_to_hide_the_evidence

Add a mention of 80 column lines and reflow the document to hide the evidence.