diff --git a/opm/material/common/Exceptions.hpp b/opm/material/common/Exceptions.hpp
index e8f9b0e17..09d54f8c3 100644
--- a/opm/material/common/Exceptions.hpp
+++ b/opm/material/common/Exceptions.hpp
@@ -33,7 +33,7 @@ namespace Opm {
 /*!
  * \brief Exception that indicates that a functionality has not been implemented yet.
  *
- * A better name for this class would be 'NotAvailable', but this would conflict with
+ * A better name for this class would be 'NotImplemented', but this would conflict with
  * opm-core's exception class of the same name.
  */
 class NotAvailable : public std::logic_error