diff --git a/README.rst b/README.rst
index 0ee83a5..8e259d6 100644
--- a/README.rst
+++ b/README.rst
@@ -46,7 +46,7 @@ Features
 * Cross-machine caching using MongoDB.
 * Thread-safety.
 
-Cachier is not:
+Cachier is **NOT**:
 
 * Meant as a transient cache. Python's @lru_cache is better.
 * Especially fast. It is meant to replace function calls that take more than... a second, say (overhead is around 1 millisecond).