update changelog

cmaglie · cmaglie · commit f2ac24f1562b · 2017-09-14T10:56:03.000+02:00
diff --git a/CHANGELOG b/CHANGELOG
@@ -2,6 +2,7 @@ SAMD CORE 1.6.17
 
 * More accurate approximation for multiplication factor of PLL to make 48Mhz. Thanks @joverbee
 * Fix changing trigger mode (RISING/FALLING/...) in attachInterrupt(..) during runtime. Thanks @joverbee
+* Improved ISR response time. Thanks @joverbee
 
 SAMD CORE 1.6.16 2017.08.23
 
