Disambiguation needed in guideline 1.2

[hernanmd]

Sections 1.2 and 1.10 look very similar, although not the same.

1.2 Guideline: Avoid underscores and favor camel case 1.10 Guideline: Avoid underscore in variable identifiers

Reading sequentially, in 1.2 it is not entirely clear if guideline should be applied to variable identifiers or method names.