diff --git a/ChangeLog b/ChangeLog
index 92416f68bc..eab3aba4db 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Feb  2 11:44:42 2013  Yusuke Endoh  <mame@tsg.ne.jp>
+
+	* lib/English.rb: Remove some confusing words from rdoc.  [Bug #7406]
+
 Sat Feb  2 10:17:12 2013  Kazuki Tsujimoto  <kazuki@callcc.net>
 
 	* NEWS: add keyword arguments.
diff --git a/lib/English.rb b/lib/English.rb
index 4fd53c5ec6..44baf1778c 100644
--- a/lib/English.rb
+++ b/lib/English.rb
@@ -119,7 +119,7 @@ alias $CHILD_STATUS            $?
 # and <tt>$1</tt> to <tt>$9</tt> are all derived from
 # <tt>$~</tt>. Assigning to <tt>$~</tt> changes the values of these
 # derived variables.  This variable is local to the current
-# scope. Thread local.
+# scope.
 alias $LAST_MATCH_INFO         $~
 
 # If set to any value apart from +nil+ or +false+, all pattern matches
@@ -135,21 +135,21 @@ alias $ARGV                    $*
 
 # The string matched by the last successful pattern
 # match. This variable is local to the current
-# scope. Read only. Thread local.
+# scope. Read only.
 alias $MATCH                   $&
 
 # The string preceding the match in the last
 # successful pattern match. This variable is local to
-# the current scope. Read only. Thread local.
+# the current scope. Read only.
 alias $PREMATCH                $`
 
 # The string following the match in the last
 # successful pattern match. This variable is local to
-# the current scope. Read only. Thread local.
+# the current scope. Read only.
 alias $POSTMATCH               $'
 
 # The contents of the highest-numbered group matched in the last
 # successful pattern match. Thus, in <tt>"cat" =~ /(c|a)(t|z)/</tt>,
 # <tt>$+</tt> will be set to "t".  This variable is local to the
-# current scope. Read only. Thread local.
+# current scope. Read only.
 alias $LAST_PAREN_MATCH        $+