diff --git a/doc/dox_comments/header_files/ssl.h b/doc/dox_comments/header_files/ssl.h
index 8ed1ba319c..c13aaf7ab6 100644
--- a/doc/dox_comments/header_files/ssl.h
+++ b/doc/dox_comments/header_files/ssl.h
@@ -11971,11 +11971,13 @@ int wolfSSL_CTX_UseSessionTicket(WOLFSSL_CTX* ctx);
     \ingroup IO
 
     \brief This function copies the ticket member of the Session structure to
-    the buffer.
+    the buffer. If buf is NULL and bufSz is non-NULL, bufSz will be set to the
+    ticket length.
 
     \return SSL_SUCCESS returned if the function executed without error.
-    \return BAD_FUNC_ARG returned if one of the arguments was NULL or if the
-    bufSz argument was 0.
+    \return BAD_FUNC_ARG returned if ssl or bufSz is NULL, or if bufSz
+    is non-NULL and buf is NULL
+
 
     \param ssl a pointer to a WOLFSSL structure, created using wolfSSL_new().
     \param buf a byte pointer representing the memory buffer.