diff --git a/xdsl/irdl/declarative_assembly_format.py b/xdsl/irdl/declarative_assembly_format.py
index 3b23359fdf..1c5d3a6500 100644
--- a/xdsl/irdl/declarative_assembly_format.py
+++ b/xdsl/irdl/declarative_assembly_format.py
@@ -609,11 +609,13 @@ class OperandsDirective(VariadicOperandDirective, VariadicTypeableDirective):
     An operands directive, with the following format:
       operands-directive ::= operands
     Prints each operand of the operation, inserting a comma between each.
-    The variadic_index represents the position of a (single) variadic variable,
-    with the boolean representing whether it is optional
     """
 
     variadic_index: tuple[bool, int] | None
+    """
+    Represents the position of a (single) variadic variable, with the boolean
+    representing whether it is optional
+    """
 
     def _set_using_variadic_index(
         self,