Merge pull request #5291 from kenjis/fix-docs-caching.rst

docs: fix RST format in caching.rst

Author: kenjis

user_guide_src/source/libraries/caching.rst

@@ -159,7 +159,7 @@ Class Reference
         $cache->deleteMatching('*_suffix'); // deletes all items of which keys end with "_suffix"
 
     For more information on glob-style syntax, please see
-        `https://en.wikipedia.org/wiki/Glob_(programming) <https://en.wikipedia.org/wiki/Glob_(programming)#Syntax>`_.
+    `Glob (programming) <https://en.wikipedia.org/wiki/Glob_(programming)#Syntax>`_.
 
 .. php:method:: increment($key[, $offset = 1]): mixed