protocol: Fix typo in documentation
diff --git a/protocol/wayland.xml b/protocol/wayland.xml
index aeb0412..a1df007 100644
--- a/protocol/wayland.xml
+++ b/protocol/wayland.xml
@@ -38,7 +38,7 @@
The sync request asks the server to emit the 'done' event
on the returned wl_callback object. Since requests are
handled in-order and events are delivered in-order, this can
- used as a barrier to ensure all previous requests and the
+ be used as a barrier to ensure all previous requests and the
resulting events have been handled.
The object returned by this request will be destroyed by the
