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README.md

@@ -39,10 +39,9 @@ directly on the Hub.
 | Robots | 453 |
 | Countries | 29 |
 | Date range | 2024-12 → 2026-07 |
-| Hours (teleoperation session time) | **3,965 h** (same metric as FrodoBots-2K/7K) |
+| **Hours (teleoperation session time)** | **3,965 h** |
 | Front-camera video | 3,231 h |
 | Rear-camera video | 1,909 h (73.9% of rides have a rear camera) |
-| Total camera video | 5,140 h |
 | Size | ~2.0 TB (1,139 tar shards) |
 
 Every ride includes DRV + GPS + IMU + at least one camera with generated per-frame timestamps.
@@ -147,9 +146,9 @@ See `earth_rover_mini_dataset.ipynb` for stats, distributions, and a full "load
 
 ## Notes
 
-- **Hours**: the headline counts teleoperation session duration (session end − start), the same basis as
-  FrodoBots-2K/7K. Actual recorded video is 3,231 h front / 5,140 h total (front+rear); a few sessions were
-  left open and slightly inflate raw session time.
+- **Hours**: the headline (~4,000 h) counts teleoperation session duration (session end − start). Actual
+  recorded front-camera video is 3,231 h (rear adds 1,909 h more); a few sessions were left open and slightly
+  inflate raw session time.
 - **Recordings** are de-vendored HLS. `.m3u8` playlists carry the wall-clock start (`TIME=`) and per-segment
   durations; per-frame timestamps are in the `*_timestamps_*.csv` files.
 - **GPS** retains `(1000,1000)` rows meaning "no fix" — filter these out before use.