diff --git a/notes.nim b/notes.nim
index 1d0806c..53e0eee 100644
--- a/notes.nim
+++ b/notes.nim
@@ -20,6 +20,7 @@ proc read_notes(): seq[string] =
 proc write_notes(notes: seq[string]) =
   try:
     let f = open(note_file, fmWrite)
+    defer: f.close()
     for note in notes:
       f.writeLine(note)
   except:
@@ -43,6 +44,16 @@ proc write_note(note: string) =
   except:
     echo "write_note, Unable to write note :", getCurrentExceptionMsg()
 
+proc replace_note(new_note: string, old_note: string) =
+  let notes = read_notes()
+  var new_notes: seq[string] = @[]
+  for a_note in notes:
+    if old_note == a_note:
+      new_notes.add(new_note)
+    else:
+      new_notes.add(a_note)
+  write_notes(new_notes)
+
 proc get_notes(): (Info, seq[string]) =
   var info = newInfo()
   info.title = "Notes :"
@@ -52,7 +63,7 @@ proc get_notes(): (Info, seq[string]) =
 proc display_option_menu(option: string) =
   var select = newInfo()
   select.title = "Note :"
-  let args = concat(@["option"],note_choices)
+  let args = concat(@[option],note_choices)
   let chosen = outputJSON(select,args)
   if chosen in note_choices:
     case chosen:
@@ -61,9 +72,11 @@ proc display_option_menu(option: string) =
         start_notes()
       of "back":
         start_notes()
+  elif chosen != "" and chosen != option:
+      replace_note(chosen, option)
+      display_option_menu(chosen)
   else:
-    write_note(option)
-    display_option_menu(chosen)
+    display_option_menu(option)
 
 proc start_notes() =
   let (info,notes) = get_notes()