Fix docs of note_fields_check to match changes made in PR #3912 (#3944)

Co-authored-by: Rémi Deloye <remi.deloye@telecom-paris.fr>

rslib/src/notes/mod.rs

@@ -590,9 +590,9 @@ impl Collection {
         Ok(changed_notes)
     }
 
-    /// Check if the note's first field is empty or a duplicate. Then for cloze
-    /// notetypes, check if there is a cloze in a non-cloze field or if there's
-    /// no cloze at all. For other notetypes, just check if there's a cloze.
+    /// Check if there is a cloze in a non-cloze field. Then check if the
+    /// note's first field is empty. For cloze notetypes, check whether there
+    /// is a cloze at all. Finally, check if the first field is a duplicate.
     pub fn note_fields_check(&mut self, note: &Note) -> Result<NoteFieldsState> {
         Ok({
             let cloze_state = self.field_cloze_check(note)?;