diff --git a/poincare/src/multiplication.cpp b/poincare/src/multiplication.cpp
index 4f7c254e3..0f6e806d8 100644
--- a/poincare/src/multiplication.cpp
+++ b/poincare/src/multiplication.cpp
@@ -697,7 +697,7 @@ Expression Multiplication::privateShallowReduce(ExpressionNode::ReductionContext
       shouldExpand = false;
     } else if (c.type() != ExpressionNode::Type::Rational) {
     } else if (static_cast<const Rational &>(c).isZero()) {
-      // Check that other children don't match inf or unit
+      // Check that other children don't match inf or matrix
       if (!recursivelyMatches([](const Expression e, Context * context) { return IsInfinity(e, context) || IsMatrix(e, context); }, context)) {
         replaceWithInPlace(c);
         return c;