diff --git a/docs/en/source/camera_devices/4_application_guide/launch_parameters.md b/docs/en/source/camera_devices/4_application_guide/launch_parameters.md
index 6f9b11cb..e9f1f9f9 100644
--- a/docs/en/source/camera_devices/4_application_guide/launch_parameters.md
+++ b/docs/en/source/camera_devices/4_application_guide/launch_parameters.md
@@ -61,6 +61,8 @@ The following are the launch parameters available:
     *   The resolution and frame rate of the sensor stream.
     *   For Femto Mega / Femto Bolt, depth NFOV and WFOV modes are configured by combining depth and IR resolutions. See [Configuration of depth NFOV and WFOV modes](../5_advanced_guide/configuration/configuration_of_depth_NFOV_and_WFOV_modes.md).
     *   For lower CPU usage, see the `color_format` recommendations in [Lower CPU Usage](../5_advanced_guide/performance/lower_cpu_usage.md).
+*   **`enable_[color|depth|left_ir|right_ir|ir]`**
+    *   Enable or disable the corresponding image stream.
 *   **`[color|depth|left_ir|right_ir|ir]_rotation`**
     *   Set stream image rotation.
     *   The possible values are `0`, `90`, `180`, `270`.
diff --git a/docs/zh/source/camera_devices/4_application_guide/launch_parameters.md b/docs/zh/source/camera_devices/4_application_guide/launch_parameters.md
index fdd25b11..76483daa 100644
--- a/docs/zh/source/camera_devices/4_application_guide/launch_parameters.md
+++ b/docs/zh/source/camera_devices/4_application_guide/launch_parameters.md
@@ -61,6 +61,8 @@
     *   传感器流的分辨率和帧率。
     *   Femto Mega / Femto Bolt 的深度 NFOV、WFOV 模式通过深度和 IR 分辨率组合配置，参考 [深度 NFOV 和 WFOV 模式配置](../5_advanced_guide/configuration/configuration_of_depth_NFOV_and_WFOV_modes.md)。
     *   如需降低 CPU 使用率，可参考 [降低 CPU 使用率](../5_advanced_guide/performance/lower_cpu_usage.md) 中的 `color_format` 建议。
+*   **`enable_[color|depth|left_ir|right_ir|ir]`**
+    *   启用或关闭对应图像流。
 *   **`[color|depth|left_ir|right_ir|ir]_rotation`**
     *   设置流图像旋转。
     *   可能的值为 `0`、`90`、`180`、`270`。