diff --git a/include/sleipnir/util/Formatters.hpp b/include/sleipnir/util/Formatters.hpp
index e1983117..e1792c39 100644
--- a/include/sleipnir/util/Formatters.hpp
+++ b/include/sleipnir/util/Formatters.hpp
@@ -20,11 +20,11 @@
 //! @cond Doxygen_Suppress
 
 /**
- * Formatter for classes derived from Eigen::MatrixBase<Derived> or
+ * Formatter for classes derived from Eigen::DenseBase<Derived> or
  * Eigen::SparseCompressedBase<Derived>.
  */
 template <typename Derived, typename CharT>
-  requires std::derived_from<Derived, Eigen::MatrixBase<Derived>> ||
+  requires std::derived_from<Derived, Eigen::DenseBase<Derived>> ||
            std::derived_from<Derived, Eigen::SparseCompressedBase<Derived>>
 struct fmt::formatter<Derived, CharT> {
   constexpr auto parse(fmt::format_parse_context& ctx) {