@@ -875,7 +875,7 @@ def reindl(surface_tilt, surface_azimuth, dhi, dni, ghi, dni_extra,
875875 the Reindl (1990) model.
876876
877877 The Reindl (1990) model [1]_ [2]_ determines the diffuse irradiance from
878- the sky (ground reflected irradiance is not included in this algorithm) on
878+ the sky on
879879 a tilted surface using the surface tilt angle, surface azimuth angle,
880880 diffuse horizontal irradiance, direct normal irradiance, global
881881 horizontal irradiance, extraterrestrial normal irradiance, sun zenith
@@ -933,11 +933,11 @@ def reindl(surface_tilt, surface_azimuth, dhi, dni, ghi, dni_extra,
933933 and global horizontal irradiances, respectively. :math:`A` is the
934934 anisotropy index, which is the ratio of the direct normal irradiance to the
935935 extraterrestrial irradiation, :math:`R_b` is the projection ratio, which is
936- defined as the ratio of the cosine of the angle of incidence (AOI) to the
936+ the ratio of the cosine of the angle of incidence (AOI) to the
937937 cosine of the zenith angle, and :math:`\theta_T` is the tilt angle of the
938938 array.
939939
940- The ``poa_sky_diffuse`` calculation is generated from Loutzenhiser et al.
940+ Implementation is based on Loutzenhiser et al.
941941 (2007) [3]_, Equation 8. The beam and ground reflectance portion of the
942942 equation have been removed, therefore the model described here generates
943943 ONLY the diffuse radiation from the sky and circumsolar, so the form of the
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