diff --git a/src/pyhf/experimental/modifiers.py b/src/pyhf/experimental/modifiers.py
index ae5a273214..a16a2680aa 100644
--- a/src/pyhf/experimental/modifiers.py
+++ b/src/pyhf/experimental/modifiers.py
@@ -57,7 +57,7 @@ def func(d: Sequence[float]) -> Any:
 
 
 def make_builder(
-    funcname: str, deps: list[str], newparams: dict[str, dict[str, Sequence[float]]]
+    func_name: str, deps: list[str], new_params: dict[str, dict[str, Sequence[float]]]
 ) -> BaseBuilder:
     class _builder(BaseBuilder):
         is_shared = False
@@ -83,13 +83,13 @@ def append(self, key, channel, sample, thismod, defined_samp):
             moddata = self.collect(thismod, nom)
             self.builder_data[key][sample]["data"]["mask"] += moddata["mask"]
             if thismod:
-                if thismod["name"] != funcname:
+                if thismod["name"] != func_name:
                     print(thismod)
                     self.builder_data["funcs"].setdefault(
                         thismod["name"], thismod["data"]["expr"]
                     )
                 self.required_parsets = {
-                    k: [_allocate_new_param(v)] for k, v in newparams.items()
+                    k: [_allocate_new_param(v)] for k, v in new_params.items()
                 }
 
         def finalize(self):
@@ -99,10 +99,10 @@ def finalize(self):
 
 
 def make_applier(
-    funcname: str, deps: list[str], newparams: dict[str, dict[str, Sequence[float]]]
+    func_name: str, deps: list[str], new_params: dict[str, dict[str, Sequence[float]]]
 ) -> BaseApplier:
     class _applier(BaseApplier):
-        name = funcname
+        name = func_name
         op_code = "multiplication"
 
         def __init__(self, modifiers, pdfconfig, builder_data, batch_size=None):
@@ -120,7 +120,7 @@ def __init__(self, modifiers, pdfconfig, builder_data, batch_size=None):
             self.param_viewer = ParamViewer(
                 parfield_shape, pdfconfig.par_map, pars_for_applier
             )
-            self._custommod_mask = [
+            self._custom_mod_mask = [
                 [[builder_data[modname][s]["data"]["mask"]] for s in pdfconfig.samples]
                 for modname in _modnames
             ]
@@ -131,14 +131,14 @@ def _precompute(self):
             tensorlib, _ = get_backend()
             if not self.param_viewer.index_selection:
                 return
-            self.custommod_mask = tensorlib.tile(
-                tensorlib.astensor(self._custommod_mask),
+            self.custom_mod_mask = tensorlib.tile(
+                tensorlib.astensor(self._custom_mod_mask),
                 (1, 1, self.batch_size or 1, 1),
             )
-            self.custommod_mask_bool = tensorlib.astensor(
-                self.custommod_mask, dtype="bool"
+            self.custom_mod_mask_bool = tensorlib.astensor(
+                self.custom_mod_mask, dtype="bool"
             )
-            self.custommod_default = tensorlib.ones(self.custommod_mask.shape)
+            self.custom_mod_default = tensorlib.ones(self.custom_mod_mask.shape)
 
         def apply(self, pars):
             """
@@ -152,16 +152,18 @@ def apply(self, pars):
                 deps = self.param_viewer.get(pars)
                 print("deps", deps.shape)
                 results = tensorlib.astensor([f(deps) for f in self.funcs])
-                results = tensorlib.einsum("msab,m->msab", self.custommod_mask, results)
+                results = tensorlib.einsum(
+                    "msab,m->msab", self.custom_mod_mask, results
+                )
             else:
                 deps = self.param_viewer.get(pars)
                 print("deps", deps.shape)
                 results = tensorlib.astensor([f(deps) for f in self.funcs])
                 results = tensorlib.einsum(
-                    "msab,ma->msab", self.custommod_mask, results
+                    "msab,ma->msab", self.custom_mod_mask, results
                 )
             results = tensorlib.where(
-                self.custommod_mask_bool, results, self.custommod_default
+                self.custom_mod_mask_bool, results, self.custom_mod_default
             )
             return results
 
@@ -169,10 +171,10 @@ def apply(self, pars):
 
 
 def add_custom_modifier(
-    funcname: str, deps: list[str], newparams: dict[str, dict[str, Sequence[float]]]
+    func_name: str, deps: list[str], new_params: dict[str, dict[str, Sequence[float]]]
 ) -> dict[str, tuple[BaseBuilder, BaseApplier]]:
-    _builder = make_builder(funcname, deps, newparams)
-    _applier = make_applier(funcname, deps, newparams)
+    _builder = make_builder(func_name, deps, new_params)
+    _applier = make_applier(func_name, deps, new_params)
 
     modifier_set = {_applier.name: (_builder, _applier)}
     modifier_set.update(**pyhf.modifiers.histfactory_set)