1 files changed, 1 insertions, 1 deletions

diff --git a/xtask/tests/tidy-tests/docs.rs b/xtask/tests/tidy-tests/docs.rs
index b766aeff1..6a629ce63 100644
--- a/xtask/tests/tidy-tests/docs.rs
+++ b/xtask/tests/tidy-tests/docs.rs
@@ -29,7 +29,7 @@ fn is_exclude_file(d: &DirEntry) -> bool {
 }
 
 fn is_hidden(entry: &DirEntry) -> bool {
-    entry.file_name().to_str().map(|s| s.starts_with(".")).unwrap_or(false)
+    entry.file_name().to_str().map(|s| s.starts_with('.')).unwrap_or(false)
 }
 
 #[test]