diff --git a/stdlib/_operator.pyi b/stdlib/_operator.pyi
index a945a0be7..b8c71852c 100644
--- a/stdlib/_operator.pyi
+++ b/stdlib/_operator.pyi
@@ -37,17 +37,19 @@ class _SupportsPos(Protocol[_T_co]):
 
 # Different to _typeshed.SupportsLessThan
 class _SupportsLT(Protocol):
-    def __lt__(self, other: Any) -> Any: ...
+    def __lt__(self, __other: Any) -> Any: ...
 
 class _SupportsGT(Protocol):
-    def __gt__(self, other: Any) -> Any: ...
+    def __gt__(self, __other: Any) -> Any: ...
 
 class _SupportsLE(Protocol):
-    def __le__(self, other: Any) -> Any: ...
+    def __le__(self, __other: Any) -> Any: ...
 
 class _SupportsGE(Protocol):
-    def __ge__(self, other: Any) -> Any: ...
+    def __ge__(self, __other: Any) -> Any: ...
 
+# We get false-positive errors if e.g. `lt` does not have the same signature as `le`,
+# so a broad union type is required for all four comparison methods
 _SupportsComparison = Union[_SupportsLE, _SupportsGE, _SupportsGT, _SupportsLT]
 
 def lt(__a: _SupportsComparison, __b: _SupportsComparison) -> Any: ...