[MINOR/DOCS] Fixing one more typo (#131)

Author: vinooganesh

tinker_cookbook/renderers.py

@@ -625,7 +625,7 @@ def _render_message(self, idx: int, message: Message) -> tuple[list[int], list[i
 class DeepSeekV3Renderer(Renderer):
     """
     Format like this (no newlines between messages):
-        <|begin_of_sentence|><|User|>What can you help me with?<|Assistant|><think>Thinking...</think>I can help you with...<|end_of_centence|>
+        <|begin_of_sentence|><|User|>What can you help me with?<|Assistant|><think>Thinking...</think>I can help you with...<|end_of_sentence|>
     For no-think, just use <|Assistant|></think>
     Deepseek renderer does not support the system role out of the box. You can set system_role_as_user to True to automatically convert the system role to the user role.
     """