diff --git a/cpp/ql/src/Likely Bugs/Format/NonConstantFormat.ql b/cpp/ql/src/Likely Bugs/Format/NonConstantFormat.ql
index 1728f034141..52d59c36535 100644
--- a/cpp/ql/src/Likely Bugs/Format/NonConstantFormat.ql	
+++ b/cpp/ql/src/Likely Bugs/Format/NonConstantFormat.ql	
@@ -79,7 +79,7 @@ predicate isNonConst(DataFlow::Node node) {
   // The function's output must also not be const to be considered a non-const source
   exists(Function func, CallInstruction call |
     // NOTE: could use `Call` getAnArgument() instead of `CallInstruction` but requires two 
-    // variables representing the same call.
+    // variables representing the same call in ordoer to use `callOutput` below.
     exists(Expr arg | call.getPositionalArgumentOperand(_).getDef().getUnconvertedResultExpression() = arg and
     arg = node.asDefiningArgument()
     )