Update README.md

website/docs/Pipelines/Optimus_Pipeline/README.md

@@ -256,7 +256,7 @@ The following table lists the output files produced from the pipeline. For sampl
 | cell_metrics | `<input_id>.cell-metrics.csv.gz` | Matrix of metrics by cells. | Compressed CSV |
 | gene_metrics | `<input_id>.gene-metrics.csv.gz` |  Matrix of metrics by genes. | Compressed CSV |
 | aligner_metrics | `<input_id>.star_metrics.tar` | Tarred metrics files produced by the STARsolo aligner; contains align features, cell reads, summary, and UMI per cell metrics files. | TXT |
-| library_metrics | `<input_id>_library_metrics.csv` | Optional CSV file containing all library-level metrics calculated with STARsolo for gene expression data. | CSV |
+| library_metrics | `<input_id>_library_metrics.csv` | Optional CSV file containing all library-level metrics calculated with STARsolo for gene expression data. See the [Library-level metrics](./Library-metrics.md) for how metrics are calculated. | CSV |
 | multimappers_EM_matrix | `UniqueAndMult-EM.mtx` | Optional output produced when `soloMultiMappers` is "EM"; see STARsolo [documentation](https://github.com/alexdobin/STAR/blob/master/docs/STARsolo.md#multi-gene-reads) for more information. | MTX |
 | multimappers_Uniform_matrix | `UniqueAndMult-Uniform.mtx` | Optional output produced when `soloMultiMappers` is "Uniform"; see STARsolo [documentation](https://github.com/alexdobin/STAR/blob/master/docs/STARsolo.md#multi-gene-reads) for more information. | MTX |
 | multimappers_Rescue_matrix | `UniqueAndMult-Rescue.mtx` | Optional output produced when `soloMultiMappers` is "Rescue"; see STARsolo [documentation](https://github.com/alexdobin/STAR/blob/master/docs/STARsolo.md#multi-gene-reads) for more information. | MTX |