diff --git a/content/shard/interface.md b/content/shard/interface.md
index dd70356..aed2a78 100644
--- a/content/shard/interface.md
+++ b/content/shard/interface.md
@@ -36,8 +36,6 @@ bytes between a client and server. It does not matter what is in the payload.
 Similarly, gzip can be used to encode any arbitrary sequence of bytes,
 regardless if the file is a sequence of text or the RGB of an image.
 
-Ref: ![](bib:7817cc0f-a538-4c1d-872e-b2bbb874c094)
-
-Ref: https://www.oilshell.org/blog/2022/02/diagrams.html 
-
-Ref: https://www.ietf.org/rfc/rfc791.txt
\ No newline at end of file
+* Ref: ![](bib:7817cc0f-a538-4c1d-872e-b2bbb874c094)
+* Ref: https://www.oilshell.org/blog/2022/02/diagrams.html 
+* Ref: https://www.ietf.org/rfc/rfc791.txt
\ No newline at end of file