* Misspelling in table of contents was fixed.
* Markdown was fixed for samples to be inserted into the article.
* Sample files were corrected.
* Sample file was corrected.
* Typo was fixed.
* Samples were corrected.
* Sample was corrected.
* Formatting was corrected.
* Sample was corrected.
* Sample was corrected.
* Sample was corrected.
* Sample was corrected.
* Sample was corrected.
* Sample ws corrected.
* Sample was corrected.
* Formatting was corrected.
* Sample was corrected.