fixed CS

Author: fabpot

Store/PdoStore.php

@@ -29,7 +29,7 @@
 
  * CAUTION: This store relies on all client and server nodes to have
  * synchronized clocks for lock expiry to occur at the correct time.
- * To ensure locks don't expire prematurely; the ttl's should be set with enough
+ * To ensure locks don't expire prematurely; the TTLs should be set with enough
  * extra time to account for any clock drift between nodes.
  *
  * @author Jérémy Derussé <jeremy@derusse.com>
@@ -79,7 +79,7 @@ public function __construct($connOrDsn, array $options = array(), float $gcProba
             throw new InvalidArgumentException(sprintf('"%s" requires gcProbability between 0 and 1, "%f" given.', __METHOD__, $gcProbability));
         }
         if ($initialTtl < 1) {
-            throw new InvalidArgumentException(sprintf('%s() expects a strictly positive TTL. Got %d.', __METHOD__, $initialTtl));
+            throw new InvalidArgumentException(sprintf('%s() expects a strictly positive TTL, "%d" given.', __METHOD__, $initialTtl));
         }
 
         if ($connOrDsn instanceof \PDO) {
@@ -210,7 +210,7 @@ public function exists(Key $key)
     }
 
     /**
-     * Returns an hashed version of the key.
+     * Returns a hashed version of the key.
      */
     private function getHashedKey(Key $key): string
     {