diff --git a/AUTORS.md b/AUTHORS.md
similarity index 100%
rename from AUTORS.md
rename to AUTHORS.md
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..8eec743
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,6 @@
+[bumpversion]
+current_version = 0.1.0
+commit = True
+tag = True
+
+[bumpversion:file:CMakeLists.txt]
diff --git a/src/gscf/PulayDiisScf.hh b/src/gscf/PulayDiisScf.hh
index b6f5e25..236aad3 100644
--- a/src/gscf/PulayDiisScf.hh
+++ b/src/gscf/PulayDiisScf.hh
@@ -409,6 +409,7 @@ void PulayDiisScf<ScfState>::update_diis_diagmat(state_type& s) const {
     // TODO Ignore Fock matrices where the coefficient is too small
     // and add the coefficient value to the fock matrix which has the
     // largest value already
+    // or alternatively renormalise
 
     // Form linear combination according to coefficients:
     auto probmat_pit = std::begin(s.prev_problem_matrix_ptrs);