Code coverage report badge

README.md

@@ -1,12 +1,15 @@
 [![Go Reference](https://pkg.go.dev/badge/github.com/goradd/html5tag.svg)](https://pkg.go.dev/github.com/goradd/html5tag)
-[![Go Report Card](https://goreportcard.com/badge/github.com/goradd/html5tag)](https://goreportcard.com/report/github.com/goradd/html5tag) 
+![Build Status](https://img.shields.io/github/workflow/status/goradd/got/Go)
+[![Go Report Card](https://goreportcard.com/badge/github.com/goradd/html5tag)](https://goreportcard.com/report/github.com/goradd/html5tag)
+[![codecov](https://codecov.io/gh/goradd/html5tag/branch/main/graph/badge.svg?token=L8KC75KWWR)](https://codecov.io/gh/goradd/html5tag)
 
 # html5tag
 
 The html5tag package contains utilities to generate html 5 tags. 
 Choose between string versions of the
-functions for easy tag creation, or io.Writer versions for speed. It
-also has a tag builder for convenience and can perform math operations
+functions for easy tag creation, or io.Writer versions for speed.
+
+html5tag also has a tag builder for convenience and can perform math operations
 on numeric style values.
 
 html5tag does some checks to make sure tags are well-formed. For example,
@@ -22,7 +25,7 @@ import . "github.com/goradd/html5tag"
 
 main() {
 
-	// Render an input tag, inside a div tag, inside a body tag
+	// Render an input tag, inside a div tag, inside a body tag using different tag building mechanisms
 
 	a := NewAttributes().
 	SetID("myText").
@@ -44,4 +47,4 @@ main() {
 }
 ```
 
-For complete documentation, start at the documentation for Tag and drill down from there.
+For complete documentation, start at the documentation for `RenderTag()` and `WriteTag()` and drill down from there.