Merge pull request #43 from maksiksking/main

added a little remark cause I was confused when porting from Core 2k

README.md

@@ -151,7 +151,7 @@ If you already started Core2k or Tango N4-N5 (or some other similar deck) and yo
 1. Import Kaishi normally with the .apkg file.
 2. Go to `File > Export...` and export the Kaishi deck using `Notes in Plain Text (.txt)`. Leave all other settings default.
 3. Delete the Kaishi deck.
-4. Select the deck you want to import Kaishi on top of, select `Browse`, click any card, press `ctrl + a`, and select `Notes > Change Note Type...` on the top left menu.
+4. Select the deck you want to import Kaishi on top of, select `Browse`, click any card, press `ctrl + a`, and select `Notes > Change Note Type...` on the top left menu. Make sure all notes you selected are of the same note type or else `Notes > Change Note Type...` may not show up.
 5. Change to the `Kaishi 1.5k` note type. Make sure the `Word` field in the `New` column shows the field your deck uses for the word next to it.
     If you don't intend to delete any cards from your current deck that are not in Kaishi, make sure your other fields are lined up to the correct places too. Otherwise you can use the defaults and click `Save`.
 6. Import the Kaishi .txt file exported in step 2.