A plate has a thickness of 1.5 mm. But the name of the plate states 1 mm. This wiki will show how to change the displayed name with correct decimal points.
Please follow the below steps to achieve this.
1. Open the Global Settings or Options by holding the right mouse button in the View window and then click on the Options.
2. Go to Plates > Plate Description and enter the value 0.1 in Thickness Rounding Tolerance field.
Note: The decimals points in the Thickness rounding tolerance field can be modified in the Design File Settings > Working Units > Accuracy.
3. Now, open the PS Properties of the plate and go to Partlist Data > Data to see the correct thickness value.