little fix

README.md

@@ -30,7 +30,7 @@
   <p align="center">
   <img src='./misc/docker.png' width=400>
   </p>
-* September 25th, 2023: The **Git** feature is now available, enabling the programmer <img src='online_log/static/figures/programmer.png' height=20> to utilize GitHub for version control. To enable this feature, simply set ``"git_management"`` to ``"True"`` in ``ChatChainConfig.json``. See [guide](wiki.md#git-mode).
+* September 25th, 2023: The **Git** mode is now available, enabling the programmer <img src='online_log/static/figures/programmer.png' height=20> to utilize Git for version control. To enable this feature, simply set ``"git_management"`` to ``"True"`` in ``ChatChainConfig.json``. See [guide](wiki.md#git-mode).
   <p align="center">
   <img src='./misc/github.png' width=600>
   </p>