Fixed enum docs

namespace ale {

  // Interpolation enum for defining different methods of interpolating rotations

  /// Interpolation enum for defining different methods of interpolating rotations

  enum RotationInterpolation {

    // Spherical linear interpolation

    /// Spherical linear interpolation

    SLERP,

    // Normalized linear interpolation

    /// Normalized linear interpolation

    NLERP

  };

  // Interpolation enum for defining different methods of interpolating in R

  /// Interpolation enum for defining different methods of interpolating in R

  enum PositionInterpolation {

    // Interpolate using linear interpolation

    /// Interpolate using linear interpolation

    LINEAR = 0,

    // Interpolate using a cubic spline

    /// Interpolate using a cubic spline

    SPLINE = 1,

    // Interpolate using Lagrange polynomials up to 8th order

    /// Interpolate using Lagrange polynomials up to 8th order

    LAGRANGE = 2,

  };