more markdown compliant

Author: lorenzwalthert

cran-comments.md

@@ -2,15 +2,14 @@ This is a re-submission to failing tests caused by a roxygen 7.2.0.
 
 ## Test environments
 
-* ubuntu 18.04 (on GitHub Actions): R 4.2
-* Windows (on GitHub Actions): R 4.2
-* macOS (on GitHub Actions): R 4.2
-* win-builder: R devel
+-   ubuntu 18.04 (on GitHub Actions): R 4.2
+-   Windows (on GitHub Actions): R 4.2
+-   macOS (on GitHub Actions): R 4.2
+-   win-builder: R devel
 
 ## R CMD check results
 
-0 errors | 0 warnings | 0 notes
-
+0 errors \| 0 warnings \| 0 notes
 
 ## Downstream Dependencies