diff --git a/cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowPrivate.qll b/cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowPrivate.qll
index 49f61eb0aed..c9331e18ca4 100644
--- a/cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowPrivate.qll
+++ b/cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowPrivate.qll
@@ -204,7 +204,7 @@ private module IndirectOperands {
    * be an `OperandNode`.
    */
   abstract class IndirectOperand extends Node {
-    /** Gets the underlying operand. */
+    /** Gets the underlying operand and the underlying indirection index. */
     abstract predicate hasOperandAndIndirectionIndex(Operand operand, int indirectionIndex);
   }