Update README.md

Co-authored-by: Remi <re.cadene@gmail.com>

README.md

@@ -165,7 +165,7 @@ dataset attributes:
   │  ├ next.done: bool: indicates the end of en episode ; True for the last frame in each episode
   │  └ index: int64: general index in the whole dataset
   ├ episode_data_index: contains 2 tensors with the start and end indices of each episode
-  │  ├ from: 1D int64 tensor of first frame index for each episode: shape (num episodes,) start with 0
+  │  ├ from: 1D int64 tensor of first frame index for each episode: shape (num episodes,) starts with 0
   │  └ to: 1D int64 tensor of last frame index for each episode: shape (num episodes,)
   ├ stats: a dictionary of statistics (max, mean, min, std) for each feature in the dataset, for instance
   │  ├ observation.images.cam_high: {'max': tensor of same shape as the observation.images.cam_high feature, ...}