             dyad.higher.pitchSpellings
         ).map { PitchSpellingDyad($0.0, $0.1) }
     }
+    
+    // MARK: - Instance Methods
     
     /**
      Spell the pitches in `dyad` with their default spellings. Often in the case that there is

    
    internal var dyad: Dyad
    
    /**
     Make the best-suited subclass of `DyadSpeller` for the given `dyad`.
     */

        return DyadSpellerFactory.makeSpeller(for: dyad)
    }

    // MARK: - Initializers
    
    /**
     Create a `DyadSpeller` for the given `dyad`.
     */
