diff --git a/man8/ldconfig.8 b/man8/ldconfig.8
index c06212ebc..822a885cc 100644
--- a/man8/ldconfig.8
+++ b/man8/ldconfig.8
@@ -118,15 +118,15 @@ or
 .IR compat
 (default).
 .TP
-.B \-C cache
+.BI "\-C " cache
 Use
-.B cache
+.I cache
 instead of
 .IR /etc/ld.so.cache .
 .TP
-.B \-f conf
+.BI "\-f " conf
 Use
-.B conf
+.I conf
 instead of
 .IR /etc/ld.so.conf .
 .\" FIXME glibc 2.7 added -i