diff --git a/pep-0552.txt b/pep-0552.txt
index 2baee817c..0cb152921 100644
--- a/pep-0552.txt
+++ b/pep-0552.txt
@@ -95,8 +95,8 @@ References
 .. _Bazel: https://bazel.build/
 .. _BLAKE2: https://blake2.net/
 .. _SipHash: https://131002.net/siphash/
-.. [#frozensets]_ http://benno.id.au/blog/2013/01/15/python-determinism
-.. [#interning]_ http://bugzilla.opensuse.org/show_bug.cgi?id=1049186
+.. [#frozensets] http://benno.id.au/blog/2013/01/15/python-determinism
+.. [#interning] http://bugzilla.opensuse.org/show_bug.cgi?id=1049186
 .. _magic number: https://docs.python.org/3/library/importlib.html#importlib.util.MAGIC_NUMBER