diff --git a/content/session/blackboxing.md b/content/session/blackboxing.md
index 7380ebb..dffb856 100644
--- a/content/session/blackboxing.md
+++ b/content/session/blackboxing.md
@@ -41,7 +41,7 @@ To prepare, read in advance the following three texts:
 
 ## References
 
-- ![](bib:3774cea9-752e-4a45-9aa5-c4f0d89e601d)
-- ![](bib:d17e1db9-c2d3-4512-a72e-854900e97cbf)
+![](bib:3774cea9-752e-4a45-9aa5-c4f0d89e601d)
+![](bib:d17e1db9-c2d3-4512-a72e-854900e97cbf)