**It's a good movie, it entertains its audience well, but it's riddled with small historical errors that could easily have been corrected.** Films about medieval times are always nice to watch, especially for me, who have a great affection for this historical period, about which I did a specialization as a historian. Unfortunately, and as happens regularly, this movie is full of mistakes. The script is quite good, from an entertainment point of view: an English orphan who is raised and trained by an itinerant barber acquires a great fascination for medicine and for the ability to cure…