Fix typo in SSL ticket documentation
diff --git a/library/ssl_ticket.c b/library/ssl_ticket.c
index a93a6ba..ed65bcd 100644
--- a/library/ssl_ticket.c
+++ b/library/ssl_ticket.c
@@ -195,7 +195,7 @@
*
* - If MBEDTLS_SSL_KEEP_PEER_CERTIFICATE is disabled:
* 0 . n-1 session structure, n = sizeof(mbedtls_ssl_session)
- * n . n length of peer certificate digest = k (0 if n digest)
+ * n . n length of peer certificate digest = k (0 if no digest)
* n+1 . n+k peer certificate digest (digest type encoded in session)
*/
static int ssl_save_session( const mbedtls_ssl_session *session,