diff --git a/README.md b/README.md
index a65e20d..47eab45 120000
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ THEIR PUBLICATIONS. IN A WORD, 请讲武德.**
 **News**
 - **MitoZ 3.5 has been released (https://github.com/linzhi2013/MitoZ/releases/tag/3.5), and can be installed via the Docker/Apptainer/Singularity/Conda/Source code methods. See https://github.com/linzhi2013/MitoZ/releases/tag/3.5 for new features and fixed bugs**. 
 
-- **Know bug (April-12-2023): If your default shell is not bash, you can run into the missing annotation of tRNA genes (see https://github.com/linzhi2013/MitoZ/issues/187). Please change the default shell to bash before using MitoZ 3.5!** 
+- **Known bug (April-12-2023): If your default shell is not bash, you can run into the missing annotation of tRNA genes (see https://github.com/linzhi2013/MitoZ/issues/187). Please change the default shell to bash before using MitoZ 3.5!** 
 
 - check which shell you are using:
     ```