Refer to magick on https://zulko.github.io/moviepy/install.html

[mgrazebrook]

A cousin of #378

This documentation is out of date and should refer to magick not convert:

https://zulko.github.io/moviepy/install.html

The current text

Once you have installed it, ImageMagick will be automatically detected by MoviePy, except on Windows !. Windows user, before installing MoviePy by hand, go into the moviepy/config_defaults.py file and provide the path to the ImageMagick binary called convert. It should look like this

IMAGEMAGICK_BINARY = "C:\Program Files\ImageMagick_VERSION\convert.exe"

The github version of the docs has the same bug:

Windows users, before installing MoviePy by hand, need to edit moviepy/config_defaults.py to provide the path to the ImageMagick binary, which is called convert. It should look like this

[tburrows13]

Fixed in #980.