Fix typos caught by check-names.sh
diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 29ff97a..25e061e 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -1715,7 +1715,7 @@
* one of !MBEDTLS_SSL_NO_SESSION_CACHE or MBEDTLS_SSL_SESSION_TICKETS.
* Each one of these additionally requires an implementation of the cache
* or tickets, examples of which are provided by MBEDTLS_SSL_CACHE_C
- * and MBEDTLS_SSL_TICKETS_C respectively.
+ * and MBEDTLS_SSL_TICKET_C respectively.
*
* Uncomment this macro to disable support for SSL session resumption.
*/