Update ssl_tls.c
Typo
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 66745d5..fa1530b 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -3257,7 +3257,7 @@
/*
* Without any SSL context, check if a datagram looks like a ClientHello with
* a valid cookie, and if it doesn't, generate a HelloVerifyRequest message.
- * Both input and input include full DTLS headers.
+ * Both input and output include full DTLS headers.
*
* - if cookie is valid, return 0
* - if ClientHello looks superficially valid but cookie is not,