diff --git a/doc/conf.py b/doc/conf.py
index 4897232dc..1d2b79e0e 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -48,7 +48,7 @@
     ["py:class", r"optype.*"],
     ["py:class", r"onp.*"],
     # sphinx >= 9.0 errors
-    ["py:class", r"_not_provided"],
+    ["py:class", r"NOT_PROVIDED"],
     ["py:class", r"Callable\[.*"],
 ]
 
diff --git a/pytential/qbx/__init__.py b/pytential/qbx/__init__.py
index 33d716a8f..e628027e8 100644
--- a/pytential/qbx/__init__.py
+++ b/pytential/qbx/__init__.py
@@ -87,10 +87,6 @@
 .. autoclass:: NonFFTExpansionFactory
 
 .. autodata:: FMMBackend
-
-.. autoclass:: QBXRefinementMode
-
-.. autoclass:: QBXRefinementNeededError
 """
 
 
diff --git a/pytential/qbx/refinement.py b/pytential/qbx/refinement.py
index a690ff062..5bd195baa 100644
--- a/pytential/qbx/refinement.py
+++ b/pytential/qbx/refinement.py
@@ -127,20 +127,25 @@ class QBXRefinementMode(Enum):
             Executing global QBX without refinement is unlikely to give
             accurate results.
 
-    .. attribute:: COMPLAIN
+    .. attribute:: ERROR_ON_REFINEMENT
 
         Do not perform any refinement, but raise a
         :class:`QBXRefinementNeededError` if stage-1 or stage-2 refinement
         would be required to satisfy the QBX refinement criteria.
+
+        .. note::
+
+            Refinement resulting from
+            ``force_stage2_uniform_refinement_rounds`` is still carried out.
     """
 
     REFINE = auto()
     NO_REFINEMENT = auto()
-    COMPLAIN = auto()
+    ERROR_ON_REFINEMENT = auto()
 
 
 class QBXRefinementNeededError(RuntimeError):
-    """Raised when :attr:`QBXRefinementMode.COMPLAIN` is in effect and
+    """Raised when :attr:`QBXRefinementMode.ERROR_ON_REFINEMENT` is in effect and
     refinement would be needed to satisfy the QBX refinement criteria.
     """
 
@@ -767,10 +772,10 @@ def _refine_qbx_stage1(lpot_source, density_discr,
         if iter_violated_criteria:
             violated_criteria.append(" and ".join(iter_violated_criteria))
 
-            if lpot_source.refinement_mode == QBXRefinementMode.COMPLAIN:
+            if lpot_source.refinement_mode == QBXRefinementMode.ERROR_ON_REFINEMENT:
                 raise QBXRefinementNeededError(
                     "Stage-1 QBX refinement is needed but refinement mode is "
-                    f"'{QBXRefinementMode.COMPLAIN.name}'. "
+                    f"'{QBXRefinementMode.ERROR_ON_REFINEMENT.name}'. "
                     "Criteria requiring refinement: "
                     + ", ".join(iter_violated_criteria))
 
@@ -846,10 +851,10 @@ def _refine_qbx_stage2(lpot_source, stage1_density_discr,
         if iter_violated_criteria:
             violated_criteria.append(" and ".join(iter_violated_criteria))
 
-            if lpot_source.refinement_mode == QBXRefinementMode.COMPLAIN:
+            if lpot_source.refinement_mode == QBXRefinementMode.ERROR_ON_REFINEMENT:
                 raise QBXRefinementNeededError(
                     "Stage-2 QBX refinement is needed but refinement mode is "
-                    f"'{QBXRefinementMode.COMPLAIN.name}'. "
+                    f"'{QBXRefinementMode.ERROR_ON_REFINEMENT.name}'. "
                     "Criteria requiring refinement: "
                     + ", ".join(iter_violated_criteria))