Update Release 4---2022-05-11.md

Author: r2sunita

sorghum/Release 4---2022-05-11.md

@@ -2,7 +2,7 @@
 ### Released: May 2022
 ## Summary
 
-For the first time, this release includes the genome of the poplar tree, a dicot model plant that like sorghum, is also studied for drought tolerance and bioenergy production. Poplar is the eighth outgroup species that together with the genomes of 18 sorghum varieties was used to generate 31,210 protein-coding gene family trees to support phylogenetic analyses and cross-species comparisons.
+For the first time, this release includes the genome assembly and annotation of the poplar tree, Populus trichocarpa v4.1 from JGI Phytozome, a dicot model plant that like sorghum, is also studied for drought tolerance and bioenergy production. Poplar is the eighth outgroup species that together with the genomes of 18 sorghum varieties was used to generate 31,210 protein-coding gene family trees to support phylogenetic analyses and cross-species comparisons.
 
 The fourth release of SorghumBase also features a [mapping file](https://ftp.sorghumbase.org/release-4/Sorghum_BTx623_gene_id_mapping_v3.1.1.txt) for interconversion of sorghum gene identifiers of the forms Sobic.nnn, SORBI_3nnn, and SbNNN, and which is available at [SorghumBase’s FTP site](https://ftp.sorghumbase.org/).