* Modify rule S1110: Update rule description
Improve grammar and sentence structure.
* Modify rule S3603: Update rule description
Improve grammar in the sentence structure.
* Modify rule S3449: Update rule description
Clarify the sentence structure with minor word changes.
* Modify rule S3449: correct word in description
Correct spelling mistakes in two instances of one word.
Inline adoc files when they are included exactly once.
Also fix language tags because this inlining gives us better information
on what language the code is written in.
