Correct a small typo in ssl_tls13_parse_client_hello()

Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index ae690e5..27235a7 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -1362,7 +1362,7 @@
     p += cipher_suites_len;
     cipher_suites_end = p;
 
-    /* Check if we have enough data to for legacy_compression_methods
+    /* Check if we have enough data for legacy_compression_methods
      * and a length byte.
      */
     MBEDTLS_SSL_CHK_BUF_READ_PTR(p, end, 1 + p[0]);