fix changelog typo

Author: hathach

changelog.md

@@ -2,7 +2,7 @@
 
 ## 0.8.3
 
-- Enhanced indicat API() to wait for confirm or timeout from peer.
+- Enhanced indicate API() to wait for confirm or timeout from peer.
 - Added BLEScanner filterService() for BLEService and BLEClientService
 - Enhanced bonding management to support central bond and re-connection
 - Added BLEClientHidAdafruit implementation for client HID

cores/nRF5/wiring.c

@@ -36,6 +36,7 @@ void init( void )
   // Retrieve bootloader version
   bootloaderVersion = BOOTLOADER_VERSION_REGISTER;
 
+  // Select Clock Source : XTAL or RC
 #if defined( USE_LFXO )
   // 32Khz XTAL
   NRF_CLOCK->LFCLKSRC = (uint32_t)((CLOCK_LFCLKSRC_SRC_Xtal << CLOCK_LFCLKSRC_SRC_Pos) & CLOCK_LFCLKSRC_SRC_Msk);