diff --git a/phasm/parser.py b/phasm/parser.py
index e4cc56f..ae02172 100644
--- a/phasm/parser.py
+++ b/phasm/parser.py
@@ -41,7 +41,7 @@ def phasm_parse(source: str) -> Module:
     our_visitor = OurVisitor()
     return our_visitor.visit_Module(res)
 
-OurLocals = Dict[str, Union[FunctionParam]] # Also local variable and module constants?
+OurLocals = Dict[str, Union[FunctionParam]] # FIXME: Does it become easier if we add ModuleConstantDef to this dict?
 
 class OurVisitor:
     """
@@ -147,7 +147,7 @@ class OurVisitor:
         if node.returns is not None: # Note: `-> None` would be a ast.Constant
             function.returns_type3 = self.visit_type(module, node.returns)
         else:
-            # Mostly works already, needs to fix Function.returns_type3 and have it updated
+            # FIXME: Mostly works already, needs to fix Function.returns_type3 and have it updated
             raise NotImplementedError('Function without an explicit return type')
 
         _not_implemented(not node.type_comment, 'FunctionDef.type_comment')