minor #7079 Update cache.rst (andreybolonin, javiereguiluz)

xabbuh · xabbuh · commit 1faced9a6586 · 2017-03-03T08:00:14.000+01:00
This PR was submitted for the 3.1 branch but it was merged into the 3.2 branch instead (closes #7079). Discussion ---------- Update cache.rst Commits ------- e4033a4 Removed the example about Redis 1f370ca Update cache.rst
diff --git a/components/cache.rst b/components/cache.rst
@@ -37,7 +37,7 @@ meaning of some key concepts:
 **Adapter**
     It implements the actual caching mechanism to store the information in the
     filesystem, in a database, etc. The component provides several ready to use
-    adapters for common caching backends (Redis, APCu, etc.)
+    adapters for common caching backends (Redis, APCu, Doctrine, PDO, etc.)
 
 Basic Usage
 -----------
