Update docs

Author: mpkorstanje

README.md

@@ -8,9 +8,9 @@ JUnit XML Formatter
 Writes Cucumber message into a JUnit XML report.
 
 The JUnit XML report is
-[not a standard](https://github.com/testmoapp/junitxml/tree/main).  But we
-validate it against the [Jenkins JUnit XML XSD](./jenkins-junit.xsd) so there
-should be a good chance your CI will understand it.
+[a de facto standard without an official specification](https://github.com/testmoapp/junitxml/tree/main).
+But we validate it against the [Jenkins JUnit XML XSD](./jenkins-junit.xsd) so
+there should be a good chance your CI will understand it.
 
 If not, please let us know in the issues!