* Correct spelling of 'inavlid'

* [DOC] correct spelling of 'schdule'.

* [DOC] clean up use of abbreviation "interop"

* [DOC] capitalize API abbreviation consistently

* [DOC] correct spelling of 'peformed'.

* [DOC] correct spelling of 'intermidiate'

* Remove trailing white space.

* Correct spelling of 'parametrization'.

* [DOC] minor improvements to Range documentation.