diff --git a/includes/cache.inc b/includes/cache.inc
index a876f4b..f76164b 100644
--- a/includes/cache.inc
+++ b/includes/cache.inc
@@ -102,7 +102,7 @@ function cache_get_multiple(array &$cids, $bin = 'cache') {
  * @param $bin
  *   The cache bin to store the data in. Valid core values are:
  *   - cache: (default) Generic cache storage bin (used for theme registry,
- *     locale date, list of simpletest tests, etc).
+ *     locale date, list of simpletest tests, etc.).
  *   - cache_block: Stores the content of various blocks.
  *   - cache_bootstrap: Stores the class registry, the system list of modules,
  *     the list of which modules implement which hooks, and the Drupal variable