Fix doc formatting.

asio/src/doc/overview/windows.qbk

diff --git a/asio/src/doc/overview/windows.qbk b/asio/src/doc/overview/windows.qbk
index e448351..4876c05 100644
--- a/asio/src/doc/overview/windows.qbk
+++ b/asio/src/doc/overview/windows.qbk
@@ -97,14 +97,14 @@
 Asio provides Windows-specific classes that permit asynchronous wait operations
 to be performed on HANDLEs to kernel objects of the following types:
 
-  * Change notification
-  * Console input
-  * Event
-  * Memory resource notification
-  * Process
-  * Semaphore
-  * Thread
-  * Waitable timer
+* Change notification
+* Console input
+* Event
+* Memory resource notification
+* Process
+* Semaphore
+* Thread
+* Waitable timer
 
 For example, to perform asynchronous operations on an event, the following
 object may be created: