edits to code comments

Author: jtgasparik

src/aero_rep_solver.c

@@ -263,7 +263,7 @@ void aero_rep_get_interface_layer_surface_area__m2(ModelData *model_data, int ae
   // Get the aerosol representation type
   int aero_rep_type = *(aero_rep_int_data++);
 
-  // Get the particle radius and set of partial derivatives
+  // Get the interfacial layer surface area and set of partial derivatives
   switch (aero_rep_type) {
     case AERO_REP_SINGLE_PARTICLE:
       aero_rep_single_particle_get_interface_layer_surface_area__m2(

src/aero_reps/aero_rep_single_particle.F90

@@ -20,9 +20,9 @@
 !!  ]}
 !! \endcode
 !! The key-value pair \b type is required and must be \b
-!! AERO_REP_SINGLE_PARTICLE. This representation assumes that every \ref
-!! input_format_aero_phase "aerosol phase" available will be present
-!! once in each particle.
+!! AERO_REP_SINGLE_PARTICLE. In this representation, particles are divided
+!! into layers. Phases in each layer are specified by the user. Phase configuration
+!! within each layer follows "fractional volume overlap".  
 !!
 !! The number concentration for each particle must be
 !! set from an external model using

src/aero_reps/aero_rep_single_particle.c

@@ -191,8 +191,8 @@ void aero_rep_single_particle_get_effective_radius__m(
  *
  * Solve for the surface area of the interfacial layer that exists between the 
  * two phases considered in aerosol phase mass tranfer between layers. When more
- * than one phase exists in a layer, a random overlap configuration is applied (see 
- * CAMP Github Documentation for details. 
+ * than one phase exists in a layer, a "fractional volume overlap" configuration 
+ * is applied (see CAMP Github Documentation for details).
  * 
  * \param model_data Pointer to the model data, including the state array
  * \param aero_phase_idx_first Index of the first aerosol phase within the representation