diff --git a/Shorewall2/blacklist b/Shorewall2/blacklist
index 6ec2986c4..a3c7e457f 100755
--- a/Shorewall2/blacklist
+++ b/Shorewall2/blacklist
@@ -23,10 +23,10 @@
 #			  is TCP (6) or UDP (17). A comma-separated list
 #			  of port numbers or service names from /etc/services.
 #
-# When a packet arrives on in interface that has the 'blacklist' option
-# specified, its source IP address is checked against this file and disposed of
-# according to the BLACKLIST_DISPOSITION and BLACKLIST_LOGLEVEL variables in
-# /etc/shorewall/shorewall.conf
+# When a packet arrives on an interface that has the 'blacklist' option
+# specified in /etc/shorewall/interfaces, its source IP address is checked
+# against this file and disposed of according to the BLACKLIST_DISPOSITION and
+# BLACKLIST_LOGLEVEL variables in /etc/shorewall/shorewall.conf
 #
 # If PROTOCOL or PROTOCOL and PORTS are supplied, only packets matching
 # the protocol (and one of the ports if PORTS supplied) are blocked.
diff --git a/Shorewall2/changelog.txt b/Shorewall2/changelog.txt
index 7ff51fb31..9bb9a54d7 100644
--- a/Shorewall2/changelog.txt
+++ b/Shorewall2/changelog.txt
@@ -102,3 +102,5 @@ Changes since 2.0.3
     handled before traffic from non-IPSEC zones.
 
 49) Correct logmartians handling.
+
+50) Add a clarification and fix a typo in the blacklist file.
diff --git a/Shorewall2/releasenotes.txt b/Shorewall2/releasenotes.txt
index bbea81580..03afad919 100755
--- a/Shorewall2/releasenotes.txt
+++ b/Shorewall2/releasenotes.txt
@@ -80,6 +80,9 @@ Problems corrected since 2.1.10
 3)  A typo has been corrected that prevented the 'logmartians' interface
     option from working correctly.
 
+4)  A typo has been corrected in and a clarification added to the
+    /etc/shorewall/blacklist file.
+
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 Issues when migrating from Shorewall 2.0 to Shorewall 2.1: