diff --git a/RATapi/classlist.py b/RATapi/classlist.py
index 68b0ea3c..46595af1 100644
--- a/RATapi/classlist.py
+++ b/RATapi/classlist.py
@@ -553,6 +553,7 @@ def validate_items(v: ClassList[T], handler: ValidatorFunctionWrapHandler) -> Cl
                 core_schema.no_info_wrap_validator_function(coerce, core_schema.is_instance_schema(cls)),
                 core_schema.no_info_wrap_validator_function(validate_items, list_schema),
             ],
+            serialization=core_schema.plain_serializer_function_ser_schema(lambda x: x),
         )
 
         return schema
diff --git a/RATapi/utils/plotting.py b/RATapi/utils/plotting.py
index 46846b9f..97d5fa47 100644
--- a/RATapi/utils/plotting.py
+++ b/RATapi/utils/plotting.py
@@ -232,7 +232,7 @@ def plot_ref_sld(
     show_grid : bool, default: False
             Controls whether the grid is shown
     show_legend : bool, default: True
-            Controls whether the lengend is shown
+            Controls whether the legend is shown
 
     Returns
     -------
diff --git a/cpp/RAT b/cpp/RAT
index af251ab2..ef7150ad 160000
--- a/cpp/RAT
+++ b/cpp/RAT
@@ -1 +1 @@
-Subproject commit af251ab27ebce5ab58ba27004eea541dae438785
+Subproject commit ef7150ad4af14120515b9f9ef9fb38b9d7637fe5