diff --git a/dune/solvers/test/cgsteptest.cc b/dune/solvers/test/cgsteptest.cc
index d1c26af385c0cc1af9d92a8d9f3670ee7e36dbd6..5eacabce7e6faa8a155f2cee92aec81ef6f2a7eb 100644
--- a/dune/solvers/test/cgsteptest.cc
+++ b/dune/solvers/test/cgsteptest.cc
@@ -28,7 +28,7 @@ public:
     bool
     analyse(Vector const &candidate, std::string testCase) {
         const auto normDiff = norm_.diff(reference_, candidate);
-        std::cout << "error for solver \"" << testCase
+        std::cout << "Defect norm |u-u_n| for solver \"" << testCase
                   << "\": " << normDiff << std::endl;
         if (normDiff > tolerance_) {
             std::cerr << "Error too large for solver \"" << testCase << "\"."