Housekeeping: incorrect chapter number and copyright date

MartijnVisser · MartijnVisser · commit 8da3d52aba2b · 2021-12-29T14:54:28.000+01:00
diff --git a/README.md b/README.md
@@ -62,6 +62,6 @@ Learn more about Flink at https://flink.apache.org/.
 
 ## License 
 
-Copyright © 2020-2021 Ververica GmbH
+Copyright © 2020-2022 Ververica GmbH
 
 Distributed under Apache License, Version 2.0.
diff --git a/other-builtin-functions/05_expanding_arrays/05_expanding_arrays.md b/other-builtin-functions/05_expanding_arrays/05_expanding_arrays.md
@@ -1,4 +1,4 @@
-# 04 Expanding arrays into new rows
+# 05 Expanding arrays into new rows
 
 ![Twitter Badge](https://img.shields.io/badge/Flink%20Version-1.3%2B-lightgrey)
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# 04 Expanding arrays into new rows`
	`1`	`+# 05 Expanding arrays into new rows`
`2`	`2`
`3`	`3`	`![Twitter Badge](https://img.shields.io/badge/Flink%20Version-1.3%2B-lightgrey)`
`4`	`4`