The team has been progressing ahead of schedule on their project deliverable. So far the customer is_

very pleased with the results and has commended the team for doing an outstanding job. At the last staff meeting one of the technical team members informed you that while he was working in the system, he noticed an issue that needed to be addressed. While it wasn't defined in the work breakdown structure, he ascertained that the fix would take at most an hour and wouldn't impact the deliverable. “In fact”, he stated, “the customer will probably like what I did “. As the project manager, you talk to this technical team member off-line and inform him that what he has done is actually considered to be:

a. Scope creep

b. An undocumented change

c. Gold plating

d. WBS anomaly