Updated Default configuration (markdown)

Default-configuration.md

@@ -44,7 +44,7 @@ Legend:
   * Carrier frequency: 434.0 MHz
   * Bit rate: 48.0 kbps
   * Frequency deviation: 48.0 kHz (single-sideband)
-  * Receiver bandwidth: 125.0 kHz
+  * Receiver bandwidth: 135.0 kHz
   * Output power: 10 dBm
   * Preamble length: 16 bits
 * Other:
@@ -56,7 +56,7 @@ Legend:
 
 Equivalent to:
 ```c++
-CC1101::begin(434.0, 48.0, 48.0, 125.0, 10, 16);
+CC1101::begin(434.0, 48.0, 48.0, 135.0, 10, 16);
 CC1101::variablePacketLengthMode(CC1101_MAX_PACKET_LENGTH);
 CC1101::setSyncWord(0x12, 0xAD, 0, false);
 CC1101::setDataShaping(RADIOLIB_SHAPING_NONE);