Proof reading, fixed typo and other mistakes
Merge branch 'patch-1' of https://github.com/wakooka/cssnext.github.io into wakooka-patch-1

* 'patch-1' of https://github.com/wakooka/cssnext.github.io:
  Proof reading, fixed typo and other mistakes

Conflicts:
	src/index.html
Merge branch 'wakooka-patch-1' into source

* wakooka-patch-1:
  Proof reading, fixed typo and other mistakes