diff --git a/ChangeLog b/ChangeLog
index 41a9ebe4e5..d855732e74 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Nov 29 23:56:44 2008  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
+
+	* man/irb.1 (EXAMPLES): new section
+
 Sat Nov 29 19:19:32 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* regparse.c (is_invalid_quantifier_target): Perl and old Ruby
diff --git a/man/irb.1 b/man/irb.1
index 6cc6d03231..e8c2ab01f9 100644
--- a/man/irb.1
+++ b/man/irb.1
@@ -108,6 +108,24 @@ Personal irb initialization.
 .Pp
 .El
 .Pp
+.Sh EXAMPLES
+.Dl % irb
+.Dl irb(main):001:0> Ic 1 + 1
+.Dl 2
+.Dl irb(main):002:0> Ic def t(x)
+.Dl irb(main):003:1> Ic   x+1
+.Dl irb(main):004:1> Ic end
+.Dl => nil
+.Dl irb(main):005:0> Ic t(3)
+.Dl => 4
+.Dl irb(main):006:0> Ic if t(3) == 4
+.Dl irb(main):007:1> Ic p :ok
+.Dl irb(main):008:1> Ic end
+.Dl :ok
+.Dl => :ok
+.Dl irb(main):009:0> Ic quit
+.Dl % 
+.Pp
 .Sh SEE ALSO
 .Xr ruby 1 .
 .Pp