1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib/libcrypto/doc/X509_new.pod b/src/lib/libcrypto/doc/X509_new.pod
index fd5fc65ce1..d38872335f 100644
--- a/src/lib/libcrypto/doc/X509_new.pod
+++ b/src/lib/libcrypto/doc/X509_new.pod
@@ -6,6 +6,8 @@ X509_new, X509_free - X509 certificate ASN1 allocation functions
 
 =head1 SYNOPSIS
 
+ #include <openssl/x509.h>
+
  X509 *X509_new(void);
  void X509_free(X509 *a);