diff --git a/versioned_docs/version-v1.3.0/userguide/volcano-vgpu/NVIDIA GPU/monitor.md b/versioned_docs/version-v1.3.0/userguide/volcano-vgpu/NVIDIA GPU/monitor.md
index 98f3a56..e68dda3 100644
--- a/versioned_docs/version-v1.3.0/userguide/volcano-vgpu/NVIDIA GPU/monitor.md	
+++ b/versioned_docs/version-v1.3.0/userguide/volcano-vgpu/NVIDIA GPU/monitor.md	
@@ -15,7 +15,7 @@ It contains the following metrics:
 | Metrics  | Description | Example |
 |----------|-------------|---------|
 | volcano_vgpu_device_allocated_cores | The percentage of gpu compute cores allocated in this card | {NodeName="aio-node67",devID="GPU-00552014-5c87-89ac-b1a6-7b53aa24b0ec"} 0 |
-| volcano_vgpu_device_allocated_memory | {NodeName="aio-node67",devID="GPU-00552014-5c87-89ac-b1a6-7b53aa24b0ec"} 32768|
+| volcano_vgpu_device_allocated_memory | Vgpu memory allocated in this card | {NodeName="aio-node67",devID="GPU-00552014-5c87-89ac-b1a6-7b53aa24b0ec"} 32768|
 | volcano_vgpu_device_core_allocation_for_a_vertain_pod| The vgpu device core allocated for a certain pod | {NodeName="aio-node67",devID="GPU-00552014-5c87-89ac-b1a6-7b53aa24b0ec",podName="resnet101-deployment-7b487d974d-jjc8p"} 0|
 | volcano_vgpu_device_memory_allocation_for_a_certain_pod |  The vgpu device memory allocated for a certain pod | {NodeName="aio-node67",devID="GPU-00552014-5c87-89ac-b1a6-7b53aa24b0ec",podName="resnet101-deployment-7b487d974d-jjc8p"} 16384 |
 | volcano_vgpu_device_memory_limit | The number of total device memory in this card | {NodeName="m5-cloudinfra-online01",devID="GPU-a88b5d0e-eb85-924b-b3cd-c6cad732f745"} 32768 |