Fixed user guide internal & external links to resolve problems reported by sphinx "make linkcheck"
Signed-off-by:Master Yoda <jim_parry@bcit.ca>
diff --git a/user_guide_src/source/libraries/caching.rst b/user_guide_src/source/libraries/caching.rst
index 86439b4..f54de5f 100644
--- a/user_guide_src/source/libraries/caching.rst
+++ b/user_guide_src/source/libraries/caching.rst
@@ -250,8 +250,7 @@
=============
Redis is an in-memory key-value store which can operate in LRU cache mode.
-To use it, you need Redis server and phpredis PHP extension
-`https://github.com/nicolasff/phpredis <https://github.com/nicolasff/phpredis>`_.
+To use it, you need `Redis server and phpredis PHP extension <https://github.com/phpredis/phpredis>`_.
Config options to connect to redis server must be stored in the application/config/redis.php file.
Available options are::