Remove divisive term (#2517)

diff --git a/lib/src/utils.dart b/lib/src/utils.dart
index 5f48068..c1e92b6 100644
--- a/lib/src/utils.dart
+++ b/lib/src/utils.dart
@@ -257,7 +257,7 @@
   }).toSet();
 }
 
-/// Given a blacklist of directory names, returns a set of patterns that can
+/// Given a denylist of directory names, returns a set of patterns that can
 /// be used to filter for those directory names.
 ///
 /// For a given path, that path contains some string in the returned set if