update README

README.md

@@ -9,8 +9,8 @@
 [![](http://cranlogs.r-pkg.org/badges/last-month/ggVennDiagram)](https://cran.r-project.org/package=ggVennDiagram)
 [![](https://img.shields.io/badge/doi-10.3389/fgene.2021.706907-blue.svg)](https://doi.org/10.3389/fgene.2021.706907)
 [![](https://www.r-pkg.org/badges/version/ggVennDiagram?color=green)](https://cran.r-project.org/package=ggVennDiagram)
-[![](https://img.shields.io/badge/devel%20version-1.4.13-green.svg)](https://github.com/gaospecial/ggVennDiagram)
-[![](https://codecov.io/gh/gaospecial/ggVennDiagram/branch/master/graph/badge.svg?token=c365345d-e34c-40f6-b2c0-881b5b2841e7)](https://app.codecov.io/gh/gaospecial/ggVennDiagram)
+[![](https://img.shields.io/badge/devel%20version-1.5.0-green.svg)](https://github.com/gaospecial/ggVennDiagram)
+[![](https://codecov.io/gh/gaospecial/ggVennDiagram/branch/master/graph/badge.svg?token=c365345d-e34c-40f6-b2c0-881b5b2841e7)](https://codecov.io/gh/gaospecial/ggVennDiagram)
 <!-- badges: end -->
 
 ‘`ggVennDiagram`’ enables fancy Venn plot with 2-7 sets and generates
@@ -184,8 +184,9 @@ combination.
 
 From v1.0, `ggVennDiagram` can plot up to seven dimension Venn plot.
 Please note that the shapes for this five sets diagram, as well as those
-for six and seven sets, are imported from the original package “venn”,
-authored by Adrian Dușa.
+for six and seven sets, are imported from the original package
+[`venn`](https://CRAN.R-project.org/package=venn) authored by Adrian
+Dușa.
 
 However, Venn Diagram for more than four sets may be meaningless in some
 conditions, as some parts may be omitted in such ellipses. Therefore, it