getting_started/6: 6.5: correct call in func equivalent, codify `&1`.
getting_started/6: 6.5: strike "around" at end of 2nd-to-last paragraph.
getting_started/6: 6.5: reword last sentence in last paragraph, tidy.
Merge pull request #145 from komiga/gs-6-tidy

Correct examples and reword a few things in Getting Started section 6.5