diff --git a/CosMx/00_data_standard/CosMx_data_standard.md b/CosMx/00_data_standard/CosMx_data_standard.md
index 9362c33..c59b7d6 100644
--- a/CosMx/00_data_standard/CosMx_data_standard.md
+++ b/CosMx/00_data_standard/CosMx_data_standard.md
@@ -72,8 +72,18 @@ The meta data should contain at least the following information:
 
 ### DEMO
 
-![DEMO](figure/demo_metadata.png)
-\# Columns with pink background are necessary. 
+| TMA | FOV | core | tissue_type | region | patient_ID | treatment | response |
+|---:|---:|---:|---|---|---|---|---|
+| 542 | 1  | 1 | LN     |        | LN2   |           |    |
+| 542 | 2  | 2 | RCC    | Center | RCC25 | Cabo-Nivo | PD |
+| 542 | 3  | 2 | RCC    | Center | RCC25 | Cabo-Nivo | PD |
+| 542 | 4  | 3 | RCC    | Center | RCC25 | Cabo-Nivo | PD |
+| 542 | 5  | 3 | RCC    | Center | RCC25 | Cabo-Nivo | PD |
+| 542 | 6  | 4 | RCC    | Center | RCC25 | Cabo-Nivo | PD |
+| 542 | 7  | 4 | RCC    | Center | RCC25 | Cabo-Nivo | PD |
+| 542 | 8  | 5 | Tonsil |        | TON4  |           |    |
+| 542 | 9  | 6 | RCC    | Center | RCC24 | Cabo-Nivo | PD |
+| 542 | 10 | 6 | RCC    | Center | RCC24 | Cabo-Nivo | PD |\# Columns with pink background are necessary. 
 
 ### File structure