Update monero_tools.md

Update link

knowledge-base/user-guides/monero_tools.md

@@ -14,7 +14,7 @@ These tools can be used to gain information about the Monero network or your tra
 
 ###[Check that a recipient has received your funds](http://xmrtests.llcoins.net/checktx.html)
 
-###[Tools for monero address generation](http://xmrtests.llcoins.net/addresstests.html)
+###[Tools for monero address generation](https://xmr.llcoins.net/)
 
 ###[Monero node count](http://moneronodes.i2p.xyz/)
 
@@ -22,4 +22,4 @@ These tools can be used to gain information about the Monero network or your tra
 
 ###[Monero offline wallet generator](http://moneroaddress.org/)
 
-###[Monero network mixin statistics](http://moneroblocks.info/stats)
\ No newline at end of file
+###[Monero network mixin statistics](http://moneroblocks.info/stats)