mro.c: Use F<> for file names

1 files changed, 1 insertions, 1 deletions

diff --git a/mro.c b/mro.c
index 1c5f4eb131..93161ed392 100644
--- a/mro.c
+++ b/mro.c
@@ -1280,7 +1280,7 @@ of the given stash, so that they might notice
 the changes in this one.
 
 Ideally, all instances of C<PL_sub_generation++> in
-perl source outside of C<mro.c> should be
+perl source outside of F<mro.c> should be
 replaced by calls to this.
 
 Perl automatically handles most of the common