diff --git a/SoObjects/Appointments/SOGoAppointmentFolder.m b/SoObjects/Appointments/SOGoAppointmentFolder.m
index 617e52f33..d9cd1c089 100644
--- a/SoObjects/Appointments/SOGoAppointmentFolder.m
+++ b/SoObjects/Appointments/SOGoAppointmentFolder.m
@@ -631,6 +631,7 @@ static int davCalendarStartTimeLimit, davTimeLimitSeconds,
   sql = [NSString stringWithFormat: @"%@%@%@%@",
          dateSqlString, titleSqlString, componentSqlString,
          filterSqlString];
+  /* sql is empty when we fetch everything (all parameters are nil) */
   if ([sql length] > 0)
     sql = [sql substringFromIndex: 4];
   else
diff --git a/UI/Scheduler/UIxCalFolderActions.m b/UI/Scheduler/UIxCalFolderActions.m
index a2ae01fe3..d2b75e39a 100644
--- a/UI/Scheduler/UIxCalFolderActions.m
+++ b/UI/Scheduler/UIxCalFolderActions.m
@@ -58,6 +58,8 @@
   folder = [self clientObject];
   calendar = [iCalCalendar groupWithTag: @"vcalendar"];
 
+  /* We have to use bareFetchFields because we don't want to process anything
+   * (RRULES for example) */
   array = [folder bareFetchFields: fields
                              from: nil
                                to: nil