Typos fixed in tutorial (no code changes)

[LucasNH]

Description

Some minor typos and re-writing in examples/tutorial.ipynb. No code changes.

Issue

n/a

Changes

• Line 1663: Split sentence for improved readability,
• Line 1675: "fro" -> "for",
• Line 2108: "What we will be ideal..." -> "What would be ideal...",
• Line 2128: "...the discount factor which allow to balance between..." -> ""...the discount factor which allows balancing between...",
• Line 2576: "...necessarily increase is well." -> "...necessarily increase as well.",
• Line 3280: "...training it a nd reporting..." -> "...training it and reporting...".

Screenshots

n/a

Checklist

• I have tested the changes locally and they work as intended.
• I have updated the documentation, if applicable.
• I have added new tests, if applicable.
• I have added any required dependencies to the requirements.txt file, if applicable.
• I have followed the project's code style and conventions.