diff --git a/notes b/notes
index 82b5080278f9f3de4e98d312daee01d68e9605a5..5a8786ee339f9e079ea2eb3833a76fc3fb9bdb06 100644
--- a/notes
+++ b/notes
@@ -292,3 +292,7 @@ changes links to a diff of the current revision with the previous one
 
 =========================================================================
 https://en.wikipedia.org/wiki/Wikipedia:Edit_filter/Instructions
+
+
+=========================================================================
+https://en.wikipedia.org/wiki/Wikipedia:Wikipedia_Signpost/2009-03-23/Abuse_Filter
diff --git a/todo b/todo
index 3271e0097747a1259028c0996c1dc114d8bdd35b..de31debd0e3036b3a2b6ae3d845530af476a8830 100644
--- a/todo
+++ b/todo
@@ -22,6 +22,8 @@ https://en.wikipedia.org/wiki/Wikipedia:Edit_filter/Instructions
 https://en.wikipedia.org/wiki/Wikipedia:Administrator_intervention_against_vandalism (AIV)
 https://en.wikipedia.org/wiki/Wikipedia:Usernames_for_administrator_attention (UAA)
 https://en.wikipedia.org/wiki/Special:RecentChanges?hidebots=1&hidecategorization=1&hideWikibase=1&tagfilter=abusefilter-condition-limit&limit=50&days=7&urlversion=2
+https://en.wikipedia.org/wiki/Wikipedia:Wikipedia_Signpost/2009-03-23/Abuse_Filter
+https://en.wikipedia.org/w/index.php?title=Wikipedia:Edit_filter&oldid=221158142 <--- 1st version ever of the Edit_filter page; created 23.06.2008
 
 ## In other languages
 ### Compare colors (actions) in the stats graphs!
@@ -30,6 +32,9 @@ https://tools.wmflabs.org/ptwikis/Filters:cawiki
 https://tools.wmflabs.org/ptwikis/Filters:dewiki
 https://tools.wmflabs.org/ptwikis/Filters:eswiki
 
+https://www.mediawiki.org/wiki/Extension:AbuseFilter/Actions
+--> exists interestingly enough in all languages I'm interested in
+
 ## Software
 
 https://www.mediawiki.org/wiki/Extension:AbuseFilter