diff --git a/doc/performance.qbk b/doc/performance.qbk
index 35518c6..e3b7056 100644
--- a/doc/performance.qbk
+++ b/doc/performance.qbk
@@ -27,7 +27,7 @@ running thread was pinned to a single CPU.
         [10 \u00b5s / 29896 cycles]
     ]
 ]
-
+[/
 [table Performance of asymmetric coroutines (using execution_context)
     [
         [Platform]
@@ -42,5 +42,6 @@ running thread was pinned to a single CPU.
         [8 \u00b5s / 15313 cycles]
     ]
 ]
+]
 
 [endsect]