1 files changed, 3 insertions, 3 deletions

diff --git a/src/lib/libssl/src/doc/ssl/SSL_shutdown.pod b/src/lib/libssl/src/doc/ssl/SSL_shutdown.pod
index 89911acbca..69ad31e80b 100644
--- a/src/lib/libssl/src/doc/ssl/SSL_shutdown.pod
+++ b/src/lib/libssl/src/doc/ssl/SSL_shutdown.pod
@@ -92,19 +92,19 @@ The following return values can occur:
 
 =over 4
 
-=item 1
+=item C<1>
 
 The shutdown was successfully completed. The "close notify" alert was sent
 and the peer's "close notify" alert was received.
 
-=item 0
+=item C<0>
 
 The shutdown is not yet finished. Call SSL_shutdown() for a second time,
 if a bidirectional shutdown shall be performed.
 The output of L<SSL_get_error(3)|SSL_get_error(3)> may be misleading, as an
 erroneous SSL_ERROR_SYSCALL may be flagged even though no error occurred.
 
-=item -1
+=item C<-1>
 
 The shutdown was not successful because a fatal error occurred either
 at the protocol level or a connection failure occurred. It can also occur if