Update the comments

Author: jimaobian

examples/FullFunction/FullFunction.ino

@@ -1,6 +1,6 @@
 /***************************************************
  DFPlayer - A Mini MP3 Player For Arduino
- <https://www.dfrobot.com/index.php?route=product/product&product_id=1121>
+ <https://www.dfrobot.com/product-1121.html>
  
  ***************************************************
  This example shows the all the function of library for DFPlayer.
@@ -115,7 +115,7 @@ void setup()
   Serial.println(myDFPlayer.readEQ()); //read EQ setting
   Serial.println(myDFPlayer.readFileCounts()); //read all file counts in SD card
   Serial.println(myDFPlayer.readCurrentFileNumber()); //read current play file number
-  Serial.println(myDFPlayer.readFileCountsInFolder(3)); //read fill counts in folder SD:/03
+  Serial.println(myDFPlayer.readFileCountsInFolder(3)); //read file counts in folder SD:/03
 }
 
 void loop()

examples/GetStarted/getStarted.ino

@@ -1,11 +1,11 @@
 /***************************************************
 DFPlayer - A Mini MP3 Player For Arduino
- <https://www.dfrobot.com/index.php?route=product/product&search=mp3&description=true&product_id=1121>
+ <https://www.dfrobot.com/product-1121.html>
  
  ***************************************************
  This example shows the basic function of library for DFPlayer.
  
- Created 2014-8-28
+ Created 2016-12-07
  By [Angelo qiao]([email protected])
  
  GNU Lesser General Public License.
@@ -15,7 +15,7 @@ DFPlayer - A Mini MP3 Player For Arduino
 
 /***********Notice and Trouble shooting***************
  1.Connection and Diagram can be found here
- <>
+ <https://www.dfrobot.com/wiki/index.php/DFPlayer_Mini_SKU:DFR0299#Connection_Diagram>
  2.This code is tested on Arduino Uno, Leonardo, Mega boards.
  ****************************************************/