minor #11359 Typo (Toflar)

This PR was submitted for the 4.2 branch but it was merged into the 3.4 branch instead (closes #11359).

Discussion
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Typo

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e53df2c Typo

Author: javiereguiluz

cache.rst

@@ -4,7 +4,7 @@
 Cache
 =====
 
-Using cache is a great way of making you application run quicker. The Symfony cache
+Using cache is a great way of making your application run quicker. The Symfony cache
 component is shipped with many adapters to different storages. Every adapter is
 developed for high performance.