diff --git a/dbt_semantic_interfaces/parsing/where_filter/where_filter_entity.py b/dbt_semantic_interfaces/parsing/where_filter/where_filter_entity.py
index 331e3398..b6b66784 100644
--- a/dbt_semantic_interfaces/parsing/where_filter/where_filter_entity.py
+++ b/dbt_semantic_interfaces/parsing/where_filter/where_filter_entity.py
@@ -16,7 +16,11 @@
 
 
 class EntityStub(ProtocolHint[QueryInterfaceEntity]):
-    """An Entity implementation that does nothing."""
+    """An Entity implementation that does nothing to satisfy the protocol.
+
+    QueryInterfaceEntity currently has no methods and the parameter set is created in the factory.
+    So, there is nothing to do here.
+    """
 
     @override
     def _implements_protocol(self) -> QueryInterfaceEntity:
diff --git a/dbt_semantic_interfaces/parsing/where_filter/where_filter_parser.py b/dbt_semantic_interfaces/parsing/where_filter/where_filter_parser.py
index e1767252..f8a9db9e 100644
--- a/dbt_semantic_interfaces/parsing/where_filter/where_filter_parser.py
+++ b/dbt_semantic_interfaces/parsing/where_filter/where_filter_parser.py
@@ -42,7 +42,11 @@ def parse_call_parameter_sets(where_sql_template: str) -> FilterCallParameterSet
         except (UndefinedError, TemplateSyntaxError, SecurityError) as e:
             raise ParseWhereFilterException(f"Error while parsing Jinja template:\n{where_sql_template}") from e
 
-        dimension_parameter_sets = []
+        """
+        Dimensions that are created with a grain parameter, Dimension(...).grain(...), are
+        added to time_dimension_call_parameter_sets otherwise they are add to dimension_call_parameter_sets
+        """
+        dimension_call_parameter_sets = []
         for dimension in dimension_factory.created:
             if dimension.time_granularity:
                 time_dimension_factory.time_dimension_call_parameter_sets.append(
@@ -53,12 +57,12 @@ def parse_call_parameter_sets(where_sql_template: str) -> FilterCallParameterSet
                     )
                 )
             else:
-                dimension_parameter_sets.append(
+                dimension_call_parameter_sets.append(
                     ParameterSetFactory.create_dimension(dimension.name, dimension.entity_path)
                 )
 
         return FilterCallParameterSets(
-            dimension_call_parameter_sets=tuple(dimension_parameter_sets),
+            dimension_call_parameter_sets=tuple(dimension_call_parameter_sets),
             time_dimension_call_parameter_sets=tuple(time_dimension_factory.time_dimension_call_parameter_sets),
             entity_call_parameter_sets=tuple(entity_factory.entity_call_parameter_sets),
         )
diff --git a/dbt_semantic_interfaces/parsing/where_filter/where_filter_time_dimension.py b/dbt_semantic_interfaces/parsing/where_filter/where_filter_time_dimension.py
index f8880d16..54ac8a2c 100644
--- a/dbt_semantic_interfaces/parsing/where_filter/where_filter_time_dimension.py
+++ b/dbt_semantic_interfaces/parsing/where_filter/where_filter_time_dimension.py
@@ -16,7 +16,11 @@
 
 
 class TimeDimensionStub(ProtocolHint[QueryInterfaceTimeDimension]):
-    """A TimeDimension implementation that does nothing."""
+    """A TimeDimension implementation that does nothing to satisfy the protocol.
+
+    QueryInterfaceTimeDimension currently has no methods and the parameter set is created in the factory.
+    So, there is nothing to do here.
+    """
 
     @override
     def _implements_protocol(self) -> QueryInterfaceTimeDimension: