doc: fix link in BN_new.pod

[openssl.git] / doc / man3 / BN_new.pod

diff --git a/doc/man3/BN_new.pod b/doc/man3/BN_new.pod
index e3800b82b738dccb0219b7ec964033aeb1b9eca7..7e9da8fe87ee1cba258e61529a447f7e0e0740ab 100644 (file)
--- a/doc/man3/BN_new.pod
+++ b/doc/man3/BN_new.pod
@@ -22,11 +22,12 @@ BN_new, BN_secure_new, BN_clear, BN_free, BN_clear_free - allocate and free BIGN
 
 BN_new() allocates and initializes a B<BIGNUM> structure.
 BN_secure_new() does the same except that the secure heap
-OPENSSL_secure_malloc(3) is used to store the value.
+L<OPENSSL_secure_malloc(3)> is used to store the value.
 
 BN_clear() is used to destroy sensitive data such as keys when they
 are no longer needed. It erases the memory used by B<a> and sets it
 to the value 0.
+If B<a> is NULL, nothing is done.
 
 BN_free() frees the components of the B<BIGNUM>, and if it was created
 by BN_new(), also the structure itself. BN_clear_free() additionally
@@ -45,7 +46,7 @@ BN_clear(), BN_free() and BN_clear_free() have no return values.
 
 =head1 SEE ALSO
 
-L<ERR_get_error(3)>
+L<ERR_get_error(3)>, L<OPENSSL_secure_malloc(3)>
 
 =head1 HISTORY