Fix typo

NEWS.md

 # stressaddition 3.0.1
-* Add missing return values in documentation to comply with CRAN Repository Policy.
+* Add missing return values in documentation to comply with CRAN repository policy.
 * Add a link to the paper in the description file.
 
 # stressaddition 3.0.0

cran-comments.md

@@ -6,10 +6,8 @@
 * Ubuntu 20.04 on GitLab CI, R 4.0.2
 * Ubuntu 20.04 on GitLab CI, R devel (2020-07-21 r78893)
 
-
 ## R CMD check results
-There were no ERRORs, WARNINGs, or NOTEs. 
-
+There were no errors, warnings, or notes. 
 
 ## Downstream dependencies
 There are no downstream dependencies yet.