diff --git a/grudge/symbolic/primitives.py b/grudge/symbolic/primitives.py
index 3e3256c103b0e55766f039f73e9ec0359994bfc4..bc6c54d39cc1e4a939edfb0067beae164104fac2 100644
--- a/grudge/symbolic/primitives.py
+++ b/grudge/symbolic/primitives.py
@@ -104,10 +104,18 @@ Geometry data
 .. autofunction:: inverse_metric_derivative
 .. autofunction:: forward_metric_derivative_mat
 .. autofunction:: inverse_metric_derivative_mat
+.. autofunction:: first_fundamental_form
+.. autofunction:: inverse_first_fundamental_form
+.. autofunction:: inverse_surface_metric_derivative
+.. autofunction:: second_fundamental_form
+.. autofunction:: shape_operator
 .. autofunction:: pseudoscalar
 .. autofunction:: area_element
 .. autofunction:: mv_normal
 .. autofunction:: normal
+.. autofunction:: surface_normal
+.. autofunction:: summed_curvature
+.. autofunction:: mean_curvature
 """