diff --git a/README.md b/README.md
index fb799c2..f3957fb 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ cmake --build . --target install
 Enter the unitree_sdk2_python directory, set `CYCLONEDDS_HOME` to the path of the cyclonedds you just compiled, and then install unitree_sdk2_python.
 ```bash
 cd ~/unitree_sdk2_python
-export CYCLONEDDS_HOME="~/cyclonedds/install"
+export CYCLONEDDS_HOME=$HOME/cyclonedds/install
 pip3 install -e .
 ```
 For details, see: https://pypi.org/project/cyclonedds/#installing-with-pre-built-binaries
@@ -115,4 +115,4 @@ Replace `enp2s0` with the name of the network interface to which the robot is co
 ```bash
 python3 ./example/vui_client/vui_client_example.py enp2s0
 ```
-Replace `enp2s0` with the name of the network interface to which the robot is connected.T he robot will cycle the volume and light brightness. The interface is detailed at https://support.unitree.com/home/en/developer/VuiClient
\ No newline at end of file
+Replace `enp2s0` with the name of the network interface to which the robot is connected.T he robot will cycle the volume and light brightness. The interface is detailed at https://support.unitree.com/home/en/developer/VuiClient