diff --git a/sdk/lib/async/zone.dart b/sdk/lib/async/zone.dart
index cb63080..43e377a 100644
--- a/sdk/lib/async/zone.dart
+++ b/sdk/lib/async/zone.dart
@@ -797,7 +797,7 @@
 
   /// Registers the given callback in this zone.
   ///
-  /// Similar to [registerCallback] but with a unary callback.
+  /// Similar to [registerCallback] but with a binary callback.
   ZoneBinaryCallback<R, T1, T2> registerBinaryCallback<R, T1, T2>(
       R callback(T1 arg1, T2 arg2));
 
diff --git a/tools/VERSION b/tools/VERSION
index 25961f5..746a27a 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -27,5 +27,5 @@
 MAJOR 2
 MINOR 16
 PATCH 0
-PRERELEASE 13
+PRERELEASE 14
 PRERELEASE_PATCH 0
\ No newline at end of file