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README.md

@@ -18,10 +18,12 @@ Converting irregularly spaced mass spectrometry (MS/MS) data into computable rep
 
 ## Dataset
 
+- `training_data/`: 30 MassiveKB H5 files, 1,938,843 spectra.
+- `val_data/Massive-KB-v1_val.h5`: 107,713 validation spectra.
 - `inference_data/Massive-KB-v1_test_sorted.h5`: 107,713 held-out spectra.
 - `inference_data/PXD017407_library_from_fdr_peptides_sorted.h5`: 2,301 additional spectra.
 
-This repository contains inference data only. Each H5 file contains `peaks` (`[N, 200, 2]` m/z and intensity), `sequence`, `charge`, `precursor_mass` (precursor m/z), and `protein`. Peptide sequences can include the lowercase modification codes described in the code repository.
+Each H5 file contains `peaks` (`[N, 200, 2]` m/z and intensity), `sequence`, `charge`, `precursor_mass` (precursor m/z), and `protein`. Peptide sequences can include the lowercase modification codes described in the code repository.
 
 ## Download