diff --git a/ChangeLog b/ChangeLog
index d1da81d..6491204 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,7 +3,7 @@
         * Version 1.3.0 released
         ========================
 
-        Take into account RoI in ctskymap
+        Take into account RoI in ctskymap (#1975)
         Set local language to english (#1370)
         Enhance logfile output of csroot2caldb script
         Set default deadc value to 0.98 (CTA has <2% deadtime)
diff --git a/NEWS b/NEWS
index 3ec4557..2ffb2e8 100644
--- a/NEWS
+++ b/NEWS
@@ -53,7 +53,8 @@ None
 ctskymap - CTA sky mapping
 --------------------------
 Any RoI is now taken into account in ctskymap so that if IRF background
-subtraction is requested the counts and background maps are coherent.
+subtraction is requested the counts and background maps are coherent
+(#1975).
 
 
 ctmodel - CTA counts cube modelling