Typos on section 2.1:

• It says "Pyhton API wrapper class created to faciliate the usage of the [...]".
• It says: "Note that contrary to the previous example, the method expets a list of country names and converts them [...]".
  Typos on section 3.1:
• It says "Please note that .env must never be commited/versioned (for example, to GitHub) and should [be] ignored on .gitignore."