Update README.md

README.md

@@ -20,7 +20,7 @@ Just copy the files to your build tree and use a C++11 compiler
 * ```logger.info("Hello {} !!", "world");```
 * ostream call style ```logger.info() << "Hello << "logger";```
 * Mixed cppformat/ostream call style ```logger.info("{} + {} = ", 1, 2) << "?";```
-* **new!** Optional, extremly fast asynchronous mode using lockfree queues and deffered formatting.
+* **new!** Optional, extremly fast asynchronous mode using lockfree queues, pre allocated memory and deffered formatting.
 * [Custom](https://github.com/gabime/spdlog/wiki/Custom-formatting) formatting.
 * Multi/Single threaded loggers.
 * Various log targets: