Update README.md

Doc link correction

README.md

@@ -1,7 +1,7 @@
 # Percona Toolkit
 [![CLA assistant](https://cla-assistant.percona.com/readme/badge/percona/percona-toolkit)](https://cla-assistant.percona.com/percona/percona-toolkit)
 
-*Percona Toolkit* is a collection of advanced command-line tools used by
+[*Percona Toolkit*](https://www.percona.com/software/database-tools/percona-toolkit) is a collection of advanced command-line tools used by
 [Percona](http://www.percona.com/) support staff to perform a variety of
 MySQL and system tasks that are too difficult or complex to perform manually.
 
@@ -32,7 +32,7 @@ are installed in /usr/local/bin.  See the INSTALL file for more information.
 
 Run `man percona-toolkit` to see a list of installed tools, then `man tool`
 to read the embedded documentation for a specific tool.  You can also read
-the documentation online at [http://www.percona.com/software/percona-toolkit/](http://www.percona.com/software/percona-toolkit/).
+the [documentation online.](https://www.percona.com/doc/percona-toolkit/LATEST/index.html).
 
 ## Version 3