diff --git a/cache/stores/memcache/lib.php b/cache/stores/memcache/lib.php
index 2e104bd6385..1569da6bd80 100644
--- a/cache/stores/memcache/lib.php
+++ b/cache/stores/memcache/lib.php
@@ -132,8 +132,8 @@ class cachestore_memcache extends cache_store implements cache_is_configurable {
         $this->connection = new Memcache;
         foreach ($this->servers as $server) {
             $this->connection->addServer($server[0], $server[1], true, $server[2]);
-            // Test the connection to this server.
         }
+        // Test the connection to the pool of servers.
         $this->isready = @$this->connection->set($this->parse_key('ping'), 'ping', MEMCACHE_COMPRESSED, 1);
     }
 
diff --git a/cache/stores/memcached/lib.php b/cache/stores/memcached/lib.php
index a74dc83e053..508628e3883 100644
--- a/cache/stores/memcached/lib.php
+++ b/cache/stores/memcached/lib.php
@@ -141,6 +141,7 @@ class cachestore_memcached extends cache_store implements cache_is_configurable
             }
             $this->connection->addServers($this->servers);
         }
+        // Test the connection to the pool of servers.
         $this->isready = @$this->connection->set("ping", 'ping', 1);
     }