[Snek] [keith-packard/snek] 1a9093: doc: Minor text edits in the introduction

[Keith Packard]

  Branch: refs/heads/master
  Home:   https://github.com/keith-packard/snek
  Commit: 1a909341e229887d38f076a4441d05bfbf9bc6b1
      https://github.com/keith-packard/snek/commit/1a909341e229887d38f076a4441d05bfbf9bc6b1
  Author: Keith Packard <keithp at keithp.com>
  Date:   2019-04-23 (Tue, 23 Apr 2019)

  Changed paths:
    M doc/snek.adoc

  Log Message:
  -----------
  doc: Minor text edits in the introduction

Signed-off-by: Keith Packard <keithp at keithp.com>