If you have added colour to your chart to represent different yarn colours, you can edit the colour for the yarn and how it will be described in the key and written instructions.
Select a colour from your key (see Selection Tools).
In the main menu bar, click on Yarn > Edit Yarn Properties - the following dialog opens:
Here you can change the yarn name, what the text in the key should say, and also the yarn alias (the software has the option to automatically add consecutive letters as yarn aliases - you can turn this on or off in the Preferences menu). You can also click on the coloured box to change the colour of yarn;-
Clicking OK updates the changes as can be seen;-