diff --git a/plugin/__init__.py b/plugin/__init__.py
index 589e1d4..e9c7b75 100644
--- a/plugin/__init__.py
+++ b/plugin/__init__.py
@@ -350,7 +350,7 @@ class AnkiConnect:
         # Not a duplicate
         return 0
 
-    def raiseNotfoundError(self, errorMsg):
+    def raiseNotFoundError(self, errorMsg):
         if anki_version < (2, 1, 55):
             raise NotFoundError(errorMsg)
         raise NotFoundError(errorMsg, None, None, None)
@@ -359,13 +359,13 @@ class AnkiConnect:
         try:
             return self.collection().getCard(card_id)
         except NotFoundError:
-            self.raiseNotfoundError('Card was not found: {}'.format(card_id))
+            self.raiseNotFoundError('Card was not found: {}'.format(card_id))
 
     def getNote(self, note_id: int) -> Note:
         try:
             return self.collection().getNote(note_id)
         except NotFoundError:
-            self.raiseNotfoundError('Note was not found: {}'.format(note_id))
+            self.raiseNotFoundError('Note was not found: {}'.format(note_id))
 
     def deckStatsToJson(self, due_tree):
         deckStats = {'deck_id': due_tree.deck_id,