diff --git a/docs/api/python/src/pyopencolorio_gradingprimary.rst b/docs/api/python/src/pyopencolorio_gradingprimary.rst
index 51df3fbe0e..c5a31da4ef 100644
--- a/docs/api/python/src/pyopencolorio_gradingprimary.rst
+++ b/docs/api/python/src/pyopencolorio_gradingprimary.rst
@@ -6,3 +6,42 @@
    :members:
    :undoc-members:
    :special-members: __init__, __str__
+
+   .. attribute:: brightness
+      :type: GradingRGBM
+
+   .. attribute:: clampBlack
+      :type: float
+
+   .. attribute:: clampWhite
+      :type: float
+
+   .. attribute:: contrast
+      :type: GradingRGBM
+
+   .. attribute:: exposure
+      :type: GradingRGBM
+
+   .. attribute:: gain
+      :type: GradingRGBM
+
+   .. attribute:: gamma
+      :type: GradingRGBM
+
+   .. attribute:: lift
+      :type: GradingRGBM
+
+   .. attribute:: offset
+      :type: GradingRGBM
+
+   .. attribute:: pivot
+      :type: float
+
+   .. attribute:: pivotBlack
+      :type: float
+
+   .. attribute:: pivotWhite
+      :type: float
+
+   .. attribute:: saturation
+      :type: float