clarify the cache.pools.provider option

Author: dbu

DependencyInjection/Configuration.php

@@ -879,7 +879,7 @@ private function addCacheSection(ArrayNodeDefinition $rootNode)
                                     ->booleanNode('public')->defaultFalse()->end()
                                     ->integerNode('default_lifetime')->end()
                                     ->scalarNode('provider')
-                                        ->info('The service name to use as provider when the specified adapter needs one.')
+                                        ->info('Overwrite the setting from the default provider for this adapter.')
                                     ->end()
                                     ->scalarNode('clearer')->end()
                                 ->end()