SysML Callout Style is applied for tagged values by default in Compartment area of the:

• Block
• Requirement 
• Part Property
• Action
• Note 

To return the non-standard style

1. Open Symbol Properties dialog.
2. Set the Apply SysML Callout Style property value to false.

To hide the element type before its name

1. Open Symbol Properties dialog.
2. Set the Show SysML Element Type property value to false.