additional comments

src/mci/couple_config.c

@@ -27,9 +27,10 @@ enum flag_value {
 };
 
 struct yac_couple_config_config_output {
-  char const * name;
-  enum yac_text_filetype type;
-  char const * ref;
+  char const * name;           //< name of the file
+  enum yac_text_filetype type; //< type of the file
+  char const * ref;            //< name of the synchronization location at
+                               //< which this file is to be written out
 };
 
 struct yac_couple_config_grid {