tonePitchFollower schematic doesn't match text description

[TheOldBrick]

On https://www.arduino.cc/en/Tutorial/BuiltInExamples/tonePitchFollower

Text says: "Connect one terminal of your speaker to digital pin 9" Schematic shows speaker connected to digital pin 8 Software: tone(9, thisPitch, 10);

Text says: "Hardware Required...100 ohm resistor" "Connect one terminal of your speaker to digital pin 9 through a 100 ohm resistor" Schematic shows speaker connected through 10K ohm resistor

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When I completed this project, I connected the speaker through a 220 ohm resistor. 100 ohm resistor + 8 ohm speaker = 46.3 mA 220 ohm resistor + 8 ohm speaker = 21.93 mA

[TheOldBrick]

On https://www.arduino.cc/en/Tutorial/BuiltInExamples/toneMultiple

Text says: "Hardware Required...3 100 ohm resistor" Schematic says: "10kΩ RESISTORS"