[fix] fix typo s/muiti-node /multi-node etc. (#5448)

applications/ColossalQA/colossalqa/data_loader/document_loader.py

@@ -52,7 +52,7 @@ class DocumentLoader:
     def load_data(self, path: str) -> None:
         """
         Load data. Please refer to https://python.langchain.com/docs/modules/data_connection/document_loaders/
-            for sepcific format requirements.
+            for specific format requirements.
         Args:
             path: path to a file
                 To load files with glob path, here are some examples.