diff --git a/ChangeLog b/ChangeLog
index 7dd34c0047..0f10f16dcd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Feb 11 00:18:57 2008  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* lib/benchmark.rb (Job::Benchmark#item): fix typo.
+
 Sun Feb 10 21:58:32 2008  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* common.mk (encdb, transdb): depend on $(PREP).
diff --git a/lib/benchmark.rb b/lib/benchmark.rb
index 577d07acbc..a54700a1c2 100644
--- a/lib/benchmark.rb
+++ b/lib/benchmark.rb
@@ -333,7 +333,7 @@ module Benchmark
     # Registers the given label and block pair in the job list.
     #
     def item(label = "", &blk) # :yield:
-      raise ArgmentError, "no block" unless block_given?
+      raise ArgumentError, "no block" unless block_given?
       label += ' '
       w = label.length
       @width = w if @width < w