Update README.md

README.md

@@ -49,7 +49,7 @@ All these 5 columns have no null value.
 - `user_int_feats_{15, 60, 62-66, 80, 89-91, 111, 115-118, 121-122}`: Array `list<int64>`, total 18 columns.
 
 ### User Dense Features (17 columns)
-- `user_dense_feats_{61, 87, 120, 123, 130-132}`: Array `list<float>`, total 7 columns, representing user embedding features([SUM](https://arxiv.org/abs/2311.09544) , [LMF4Ads](https://arxiv.org/abs/2508.14948) ).
+- `user_dense_feats_{61, 87, 120, 123, 130-132}`: Array `list<float>`, total 7 columns, representing user embedding features([SUM](https://arxiv.org/abs/2311.09544) , [LFM4Ads](https://arxiv.org/abs/2508.14948) ).
 - `user_dense_feats_{62-66, 89-91, 118, 121}`: Array `list<float>`, total 10 columns, corresponding to the integer features user_int_feats_{62-66, 89-91, 118, 121}, with the same length.
   - An Example:
   `user_int_feats_62`: [1, 2, 3], `user_dense_feats_62`: [10.5, 20, 15.5]