diff --git a/docs/api.rst b/docs/api.rst
index f88c5b0a5e..2d14391b21 100644
--- a/docs/api.rst
+++ b/docs/api.rst
@@ -141,6 +141,7 @@ Magnetic Fields
     desc.magnetic_fields.PoloidalMagneticField
     desc.magnetic_fields.SplineMagneticField
     desc.magnetic_fields.ScalarPotentialField
+    desc.magnetic_fields.DommaschkPotentialField
     desc.magnetic_fields.field_line_integrate
     desc.magnetic_fields.read_BNORM_file