diff --git a/dune/tectonic/myconvexproblem.hh b/dune/tectonic/myconvexproblem.hh
index 054152faa06e24adda7a42ad4ac316de99851d16..c2eb3445fc29da16aa2eb3daf19dfee96abb1648 100644
--- a/dune/tectonic/myconvexproblem.hh
+++ b/dune/tectonic/myconvexproblem.hh
@@ -1,4 +1,5 @@
 // Based on dune/tnnmg/problem-classes/convexproblem.hh
+// Allows phi to be const; does away with everything we do not need
 
 #ifndef MY_CONVEX_PROBLEM_HH
 #define MY_CONVEX_PROBLEM_HH
diff --git a/dune/tectonic/mydirectionalconvexfunction.hh b/dune/tectonic/mydirectionalconvexfunction.hh
index 0a33465bb4b55f60c576ff7d4311447035d6a662..0b0947380162af5f2662483d9115312e1ccd1f73 100644
--- a/dune/tectonic/mydirectionalconvexfunction.hh
+++ b/dune/tectonic/mydirectionalconvexfunction.hh
@@ -1,5 +1,5 @@
 // Copied from dune/tnnmg/problem-classes/directionalconvexfunction.hh
-// so that phi can be const
+// Allows phi to be const
 
 #ifndef MY_DIRECTIONAL_CONVEX_FUNCTION_HH
 #define MY_DIRECTIONAL_CONVEX_FUNCTION_HH