Update README.md

Signed-off-by: Glenn Fiedler <[email protected]>

README.md

@@ -92,12 +92,14 @@ Once you process all acks, clear acks on the endpoint:
 reliable_endpoint_clear_acks( endpoint );
 ```
 
-Update each endpoint once per-frame, so it keeps track of network connection stats like latency, packet loss and bandwidth sent, received and acked:
+And make sure to update each endpoint once per-frame, so it keeps track of network connection stats like latency, packet loss and bandwidth sent, received and acked:
 
 ```c
 reliable_endpoint_update( endpoint, time );
 ```
 
+See the [stats.c](stats.c) example for more details.
+
 When you are finished with an endpoint, destroy it:
 
 ```c