diff --git a/lib/Path/Tiny.pm b/lib/Path/Tiny.pm
index 58862e4..e65e322 100644
--- a/lib/Path/Tiny.pm
+++ b/lib/Path/Tiny.pm
@@ -682,7 +682,7 @@ sub assert {
 
     $name = path("foo/bar.txt")->basename;        # bar.txt
     $name = path("foo.txt")->basename('.txt');    # foo
-    $name = path("foo.txt")->basename(qr/.txt/);  # foo
+    $name = path("foo.txt")->basename(qr/\.txt/); # foo
     $name = path("foo.txt")->basename(@suffixes);
 
 Returns the file portion or last directory portion of a path.