Add links to KB articles
diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index c69ba1b..987d59d 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -1903,6 +1903,10 @@
* Windows. For other platforms, you'll want to disable it, and write your
* own networking callbacks to be passed to \c mbedtls_ssl_set_bio().
*
+ * \note See also our Knowledge Base article about porting to a new
+ * environment:
+ * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS
+ *
* Module: library/net.c
*
* This module provides networking routines.
@@ -2251,7 +2255,8 @@
* By default mbed TLS assumes it is used in a non-threaded environment or that
* contexts are not shared between threads. If you do intend to use contexts
* between threads, you will need to enable this layer to prevent race
- * conditions.
+ * conditions. See also our Knowledge Base article about threading:
+ * https://tls.mbed.org/kb/development/thread-safety-and-multi-threading
*
* Module: library/threading.c
*
@@ -2277,6 +2282,10 @@
* your own implementation of the whole module by setting
* \c MBEDTLS_TIMING_ALT in the current file.
*
+ * \note See also our Knowledge Base article about porting to a new
+ * environment:
+ * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS
+ *
* Module: library/timing.c
* Caller: library/havege.c
*
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 2569f59..c64b1b2 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -1149,6 +1149,7 @@
* here, except if using an event-driven style.
*
* \note See also the "DTLS tutorial" article in our knowledge base.
+ * https://tls.mbed.org/kb/how-to/dtls-tutorial
*/
void mbedtls_ssl_set_timer_cb( mbedtls_ssl_context *ssl,
void *p_timer,