I totally understand your frustration with inconsistencies—it can be tough when you're striving for a seamless learning experience. Your concerns matter, and I'll escalate this to the notation and admin team for thorough review. It's crucial for the material to be accurate. Sometimes, the vastness of content makes it challenging, but striving for clarity is our goal. If this lesson's causing frustration, it might help to focus on something else until it's rectified. Your feedback is valuable—thanks for letting us know!