diff --git a/code/config/debug.config b/code/config/debug.config
index 50b6dbe76..f279a219d 100644
--- a/code/config/debug.config
+++ b/code/config/debug.config
@@ -1,18 +1,23 @@
 ### $Id$ ###
 ### debugging parameters ###
 
-debug                                 # debug.f90,           possible keys: basic, extensive
-math                                  # math.f90,            possible key:  basic
-FEsolving                             # FEsolving.f90,       possible key:  basic
-mesh                                  # mesh.f90,            possible key:  basic, extensive
-material                              # material.f90,        possible keys: basic, extensive
-lattice                               # lattice.f90,         possible key:  basic
-constitutive                          # constitutive_*.f90   possible keys: basic, extensive, selective
-crystallite                           # crystallite.f90      possible keys: basic, extensive, selective
-homogenization                        # homogenization_*.f90 possible keys: basic, extensive, selective
-CPFEM                                 # CPFEM.f90            possible keys: basic, selective
-spectral                              # DAMASK_spectral.f90  possible keys: basic, fft, restart, divergence
-abaqus                                # ABAQUS FEM solver    possible keys: basic 
+# example:
+# --------
+# mesh    basic extensive             # switches on the "basic" and "extensive" debugging in mesh-related functions/subroutines
+#
+
+debug                                 # debug.f90,           possible values: basic, extensive
+math                                  # math.f90,            possible value:  basic
+FEsolving                             # FEsolving.f90,       possible value:  basic
+mesh                                  # mesh.f90,            possible value:  basic, extensive
+material                              # material.f90,        possible values: basic, extensive
+lattice                               # lattice.f90,         possible value:  basic
+constitutive                          # constitutive_*.f90   possible values: basic, extensive, selective
+crystallite                           # crystallite.f90      possible values: basic, extensive, selective
+homogenization                        # homogenization_*.f90 possible values: basic, extensive, selective
+CPFEM                                 # CPFEM.f90            possible values: basic, selective
+spectral                              # DAMASK_spectral.f90  possible values: basic, fft, restart, divergence
+abaqus                                # ABAQUS FEM solver    possible values: basic 
 #
 # Parameters for selective
 element          1                    # selected element for debugging (synonymous: "el", "e")