remove a wrong comment; enrich a docstring

src/common/logger.py

@@ -57,7 +57,7 @@ class Constants:
 	def __init__(self):
 		(
 			self.JID_NORMAL_TYPE,
-			self.JID_ROOM_TYPE # image to show state (online, new message etc)
+			self.JID_ROOM_TYPE
 		) = range(2)
 		
 		(

src/history_window.py

@@ -310,7 +310,7 @@ class HistoryWindow:
 			
 	def on_results_treeview_row_activated(self, widget, path, column):
 		'''a row was double clicked, get date from row, and select it in caledar
-		and also show conversation logs for that date'''
+		which results to showing conversation logs for that date'''
 		# get currently selected date
 		cur_year, cur_month, cur_day = self.calendar.get_date()
 		cur_month = gtkgui_helpers.make_gtk_month_python_month(cur_month)