Clean up config file

compass/ocean/tests/global_ocean/wave_mesh/wave_mesh.cfg

@@ -1,13 +1,37 @@
 [wave_mesh]
 
-hfun_grid_spacing = 0.5             # units of deg
+# Spacing of grid used to specify mesh resolution, units of deg
+hfun_grid_spacing = 0.5
+
+# Resolution gradient limit
 hfun_slope_lim = 0.15
-depth_threshold_refined = 1000.0    # units of m
-distance_threshold_refined = 300.0  # units of km
-depth_threshold_global = 1000.0     # units of m
-distance_threshold_global = 300.0   # units of km
-refined_res = 20000.0               # units of m
-maxres = 225000.0                   # units of m
 
+# units of m
+depth_threshold_refined = 1000.0
+
+# units of km
+distance_threshold_refined = 300.0
+
+# units of m
+depth_threshold_global = 1000.0
+
+# units of km
+distance_threshold_global = 300.0
+
+# Resolution for refinement region, units of m
+refined_res = 20000.0
+
+# Maximum resolution, units of m
+maxres = 225000.0
+
+# Number of spectral directions bins
 ndir = 36
-nfreq = 50
+
+# Number of spectral frequency bins
+nfreq = 36
+
+# Path to existing base ocean mesh (optional)
+# ocean_base_mesh =
+
+# Path to existing culled ocean mesh (optional)
+# ocean_culled_mesh =