Lack of specific entry for color changing of plot lines in the Help menu
If someone doesn't try to click on the legends to change colors (the default color for the RAM plot with the Mint-Y-Dark but probably with any dark theme is hard to see) and tries to search for it in the help menu then is not going to find a specific page explaining this, but indirectly under the page "Check how much processor (CPU) capacity is being used" or the entry "How much memory is being used?".