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-rw-r--r--doc/ssl/SSL_SESSION_free.pod1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/ssl/SSL_SESSION_free.pod b/doc/ssl/SSL_SESSION_free.pod
index 110ec73ab6..f30fe13c7d 100644
--- a/doc/ssl/SSL_SESSION_free.pod
+++ b/doc/ssl/SSL_SESSION_free.pod
@@ -15,6 +15,7 @@ SSL_SESSION_free - free an allocated SSL_SESSION structure
SSL_SESSION_free() decrements the reference count of B<session> and removes
the B<SSL_SESSION> structure pointed to by B<session> and frees up the allocated
memory, if the reference count has reached 0.
+If B<session> is NULL nothing is done.
=head1 NOTES