fix schema fields

src/backend/InvenTree/build/serializers.py

@@ -162,7 +162,15 @@ class BuildSerializer(
         name='project_code_detail',
     )
 
-    project_code = can_filter(CfIntegerField(), True, name='project_code_detail')
+    project_code = can_filter(
+        CfIntegerField(
+            allow_null=True,
+            label=_('Project Code'),
+            help_text=_('Project code for this build order'),
+        ),
+        True,
+        name='project_code_detail',
+    )
 
     @staticmethod
     def annotate_queryset(queryset):

src/backend/InvenTree/company/serializers.py

@@ -290,7 +290,7 @@ class ManufacturerPartSerializer(
     )
 
     pretty_name = can_filter(
-        CfCharField(read_only=True, allow_null=True), name='prettify'
+        CfCharField(read_only=True, allow_null=True), name='pretty'
     )
 
     manufacturer = serializers.PrimaryKeyRelatedField(