diff --git a/config/example-blacklist.txt b/config/example-blacklist.txt
index 7a23751..10d8d9e 100644
--- a/config/example-blacklist.txt
+++ b/config/example-blacklist.txt
@@ -21,7 +21,7 @@ banner.*
 banners.*
 creatives.*
 oas.*
-oascentral.*
+oascentral.*        # inline comments are allowed after a pound sign
 stats.*
 tag.*
 telemetry.*
diff --git a/config/example-cloaking-rules.txt b/config/example-cloaking-rules.txt
index 0853f3d..24d2c2d 100644
--- a/config/example-cloaking-rules.txt
+++ b/config/example-cloaking-rules.txt
@@ -13,7 +13,7 @@ www.google.*             forcesafesearch.google.com
 
 www.bing.com             strict.bing.com
 
-yandex.ru                familysearch.yandex.ru
+yandex.ru                familysearch.yandex.ru       # inline comments are allowed after a pound sign
 
 =duckduckgo.com          safe.duckduckgo.com
 
diff --git a/config/example-ip-blacklist.txt b/config/example-ip-blacklist.txt
index aad5f46..5575593 100644
--- a/config/example-ip-blacklist.txt
+++ b/config/example-ip-blacklist.txt
@@ -10,5 +10,5 @@
 
 163.5.1.4
 94.46.118.*
-[fe80:53:*]
+[fe80:53:*]        # IPv6 prefix example