Spelling/grammar fixes.

7 jobs for master in 2 minutes and 12 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
passed #3064
apt

00:00:58

passed #3065
cloudlab

00:01:46

passed #3066
emulab

00:01:12

passed #3067
phantomnet

00:00:46

passed #3068
powder

00:01:01

 
  Deploy
passed #3069
pages

00:00:26

passed pages:deploy

00:00:04