1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib/libssl/src/doc/crypto/ui_compat.pod b/src/lib/libssl/src/doc/crypto/ui_compat.pod
index 9ab3c69bf2..adf2ae5e53 100644
--- a/src/lib/libssl/src/doc/crypto/ui_compat.pod
+++ b/src/lib/libssl/src/doc/crypto/ui_compat.pod
@@ -7,6 +7,8 @@ Compatibility user interface functions
 
 =head1 SYNOPSIS
 
+ #include <openssl/des_old.h>
+
  int des_read_password(DES_cblock *key,const char *prompt,int verify);
  int des_read_2passwords(DES_cblock *key1,DES_cblock *key2,
         const char *prompt,int verify);