diff --git a/README.md b/README.md
index 0d7f7e4f..11935eae 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,9 @@ prerequisite: python-is-python3, python3-venv
   * You have to remove all ComfyUI-Manager files from `ComfyUI/custom_nodes`
 * **DON'T**: In a form where decompression occurs in a path such as `ComfyUI/custom_nodes/ComfyUI-Manager/ComfyUI-Manager`.
   * You have to move `ComfyUI/custom_nodes/ComfyUI-Manager/ComfyUI-Manager` to `ComfyUI/custom_nodes/ComfyUI-Manager`
+* **DON'T**: In a form where decompression occurs in a path such as `ComfyUI/custom_nodes/ComfyUI-Manager-main`.
+  * In such cases, `ComfyUI-Manager` may operate, but it won't be recognized within `ComfyUI-Manager`, and updates cannot be performed. It also poses the risk of duplicate installations.
+  * You have to rename `ComfyUI/custom_nodes/ComfyUI-Manager-main` to `ComfyUI/custom_nodes/ComfyUI-Manager`
 
 
 You can execute ComfyUI by running either `./run_gpu.sh` or `./run_cpu.sh` depending on your system configuration.