SERVD — Interaction Diagrams missing instance indicator ":"

.2 Interaction diagrams.
Each of these diagrams has an invoking component. It is unclear why this is not shown as a type, i.e. why is there not a ":" before the component name?
Also many of the interface lifelines do not have a ":" before the interface type in the lifeline header.
The ":" prefix use appears to be inconsistent in its application throughout the Sequence Diagrams in 8.2.
8.2.1 Provider Search Sequence diagram. the locator lifeline should be labelled ":Locator" rather than "Locator".

Update the diagrams to be consistent with the use of instance classifiers