Update copyright year to 2019 in all the knit-generated files
diff --git a/docs/exception-handling.md b/docs/exception-handling.md
index 5f15219..349b703 100644
--- a/docs/exception-handling.md
+++ b/docs/exception-handling.md
@@ -1,6 +1,6 @@
 <!--- INCLUDE .*/example-([a-z]+)-([0-9a-z]+)\.kt 
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide.md by Knit tool. Do not edit.