diff --git a/TS-0023-SDT_based_Information_Model_and_Mapping_for_Vertical_Industries.md b/TS-0023-SDT_based_Information_Model_and_Mapping_for_Vertical_Industries.md
index 8313b84b6783bc66a16ba9298dd37ad360cc317d..947c29e8e668a9eb3cce3f30def16e75aea87a1a 100644
--- a/TS-0023-SDT_based_Information_Model_and_Mapping_for_Vertical_Industries.md
+++ b/TS-0023-SDT_based_Information_Model_and_Mapping_for_Vertical_Industries.md
@@ -423,7 +423,7 @@ This ModuleClass provides capabilities for a 3D printer.
 |printSizeY |xs:float |R |false |mm |This data point represents the maximum size of printing object in the direction of Y-axis. |
 |printSizeZ |xs:float |R |false |mm |This data point represents the maximum size of printing object in the direction of Z-axis. |
 |network |xs:boolean |R |false | |This value indicates the Wide Area Network (WAN) connectivity of the 3D printer, such as Internet or GSM.<br />"False" indicates that the printer does not have network connectivity to a WAN. "True" indicates that the printer has WAN network connectivity. |
-|memorySize |xs:float |R |false |MB |This value represents the total memory size of the printer. <mark>The unit of measure is.</mark> |
+|memorySize |xs:float |R |false |MB |This value represents the total memory size of the printer. The unit of measure is Megabyte (MB). |