Update README.md

Author: Vini2

README.md

@@ -147,7 +147,7 @@ For the SGA version of `graphbin2.py` takes in 4 files as inputs (required).
 * Assembly graph file (in `.asqg` format)
 * Binning output from an existing tool (in `.csv` format)
 
-**Note:** abundance.abund is a tab separated file with contig ID and the coverage for each contig in the assembly. metaSPAdes provides the coverage of each contig in the contig identifier of the final assembly. We can directly extract these values to create the abundance.abund file. However, no such information is provided for contigs produced by SGA. Hence, reads should be mapped back to the assembled contigs in order to determine the coverage of SGA contigs.
+**Note:** The abundance file (e.g., `abundance.abund`) is a tab separated file with contig ID and the coverage for each contig in the assembly. metaSPAdes provides the coverage of each contig in the contig identifier of the final assembly. We can directly extract these values to create the abundance.abund file. However, no such information is provided for contigs produced by SGA. Hence, reads should be mapped back to the assembled contigs in order to determine the coverage of SGA contigs.
 
 **Note:** Make sure that the initial binning result consists of contigs belonging to only one bin. GraphBin2 is designed to handle initial contigs which belong to only one bin.