diff --git a/src/custom_xarm_description/README.md b/src/custom_xarm_description/README.md
new file mode 100644
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+Taken from https://github.com/xArm-Developer/xarm_ros2/tree/humble 2023.03.21
diff --git a/src/custom_xarm_gazebo/README.md b/src/custom_xarm_gazebo/README.md
new file mode 100644
index 0000000..da4c0eb
--- /dev/null
+++ b/src/custom_xarm_gazebo/README.md
@@ -0,0 +1 @@
+Taken from https://github.com/xArm-Developer/xarm_ros2/tree/humble 2023.03.21
diff --git a/src/custom_xarm_moveit_config/README.md b/src/custom_xarm_moveit_config/README.md
new file mode 100644
index 0000000..da4c0eb
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+++ b/src/custom_xarm_moveit_config/README.md
@@ -0,0 +1 @@
+Taken from https://github.com/xArm-Developer/xarm_ros2/tree/humble 2023.03.21