diff --git a/ChangeLog b/ChangeLog
index 1feefc0a99d9ac950b20c0522f4725ce99ecba6f..e7f4726cc10a8a4d251c64e311d07440e91fa50e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2019-11-22 Richard Larsson <larsson@mps.mpg.de>
+
+	* ARTS-XML-DATA-2-3-33
+	
+	* spectroscopy/Perrin_newformat_speciessplit: Add the 
+	Perrin catalog in AbsorptionLines format using the
+	split-by-species approach
+	
 2019-11-22 Richard Larsson <larsson@mps.mpg.de>
 
 	* ARTS-XML-DATA-2-3-32
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