diff --git a/include/SFML/Audio/SoundBuffer.hpp b/include/SFML/Audio/SoundBuffer.hpp
index 07beac57c..db2f48eea 100644
--- a/include/SFML/Audio/SoundBuffer.hpp
+++ b/include/SFML/Audio/SoundBuffer.hpp
@@ -439,11 +439,10 @@ private:
 ///     sf::SoundChannel::FrontCenter,
 ///     sf::SoundChannel::FrontRight,
 ///     sf::SoundChannel::BackRight,
-///     sf::SoundChannel::BackCenter,
 ///     sf::SoundChannel::BackLeft,
 ///     sf::SoundChannel::LowFrequencyEffects
 /// };
-/// auto soundBuffer = sf::SoundBuffer(samples.data(), samples.size(), 6, 44100, channelMap);
+/// auto soundBuffer = sf::SoundBuffer(samples.data(), samples.size(), channelMap.size(), 44100, channelMap);
 /// auto sound = sf::Sound(soundBuffer);
 /// \endcode
 ///
diff --git a/migration.md b/migration.md
index a0caca493..f08af8c98 100644
--- a/migration.md
+++ b/migration.md
@@ -433,11 +433,10 @@ auto channelMap = std::vector<sf::SoundChannel>{
     sf::SoundChannel::FrontCenter,
     sf::SoundChannel::FrontRight,
     sf::SoundChannel::BackRight,
-    sf::SoundChannel::BackCenter,
     sf::SoundChannel::BackLeft,
     sf::SoundChannel::LowFrequencyEffects
 };
-auto soundBuffer = sf::SoundBuffer(samples.data(), samples.size(), 6, 44100, channelMap);
+auto soundBuffer = sf::SoundBuffer(samples.data(), samples.size(), channelMap.size(), 44100, channelMap);
 auto sound = sf::Sound(soundBuffer);
 ```