am 221c9552: AI 148972: fix link to the installing guide to 1.5; fix a...
am 221c9552: AI 148972: fix link to the installing guide to 1.5; fix a couple layout bugs in the document. BUG=1860640
Merge commit '221c9552' into donut
* commit '221c9552':
AI 148972: fix link to the installing guide to 1.5;