diff --git a/pymatgen/analysis/alloys/core.py b/pymatgen/analysis/alloys/core.py
index bb89513..f759055 100644
--- a/pymatgen/analysis/alloys/core.py
+++ b/pymatgen/analysis/alloys/core.py
@@ -5,11 +5,11 @@
 
 A `FormulaAlloyPair` class contains `AlloyPairs` which have formation energies
 known to estimate which AlloyPair is stable for a given composition.
-
-TODO: A `FormulaAlloySystem` is defined consisting of `FormulaAlloyPair` and
-specifies the full space accessible for a given composition.
 """
 
+# TODO: A `FormulaAlloySystem` is defined consisting of `FormulaAlloyPair` and specifies
+# the full space accessible for a given composition.
+
 import hashlib
 import warnings
 from dataclasses import dataclass, field