message: DOC: Fixed mint_heat_equation help string.
diff: @@ -367,12 +367,12 @@ const std::string help_string =
  "\tPrint out this message then exit.\n" \
  "-p -path PATH\n" \
  "\tThe base bath of the dump files. The files will be written to\n" \
  - "path_#.vtk where # is the dump number.\n" \
  + "\tpath_#.vtk where # is the dump number.\n" \
  "-s, -spacing FLOAT\n" \
  "\tSet the mesh spacing, must be greater than 0.\n." \
  - "-b FLOAT FLOAT FLOAT FLOAT, -bounds FLOAT FLOAT FLOAT\n" \
  - "\tSet the bounding box for the mesh. Format is x1 y1 x2 y2 where x1 < x2\n" \
  - "\tand y1 < y2.\n" \
  + "-b FLOAT FLOAT FLOAT FLOAT, -bounds FLOAT FLOAT FLOAT FLOAT\n" \
  + "\tSet the bounding box for the mesh. Format is lower_x lower_y upper_x\n" \
  + "\tupper_y.\n" \
  "-a FLOAT, -amplitude FLOAT\n" \
  "\tSet the amplitude of the gaussian pulse.\n" \
  "-m FLOAT FLOAT, -mean FLOAT FLOAT\n" \
  