diff --git a/pkgs/racket-doc/scribblings/reference/sequences.scrbl b/pkgs/racket-doc/scribblings/reference/sequences.scrbl
index bc7398b19c..c49ced9fb3 100644
--- a/pkgs/racket-doc/scribblings/reference/sequences.scrbl
+++ b/pkgs/racket-doc/scribblings/reference/sequences.scrbl
@@ -385,20 +385,16 @@ each element in the sequence.
   a sequence.
 
 @examples[
-    (code:comment "Given a directory tree:")
-    (code:comment "")
-    (code:comment " /example")
-    (code:comment "   +-- a")
-    (code:comment "   |   |")
-    (code:comment "   |   +-- alpha")
-    (code:comment "   |   +-- apple")
-    (code:comment "   |")
-    (code:comment "   +-- b")
-    (code:comment "   |   |")
-    (code:comment "   |   +-- beta")
-    (code:comment "   |")
-    (code:comment "   +-- c")
-    (code:comment "")
+    (code:comment @#,t{Given a directory tree:})
+    (code:comment @#,t{})
+    (code:comment @#,t{ /example})
+    (code:comment @#,t{ ├── a})
+    (code:comment @#,t{ │   ├── alpha})
+    (code:comment @#,t{ │   └── apple})
+    (code:comment @#,t{ ├── b})
+    (code:comment @#,t{ │   └── beta})
+    (code:comment @#,t{ └── c})
+    (code:comment @#,t{})
     (eval:alts
       (parameterize ([current-directory "/example"])
         (for ([p (in-directory)])