diff --git a/ChangeLog b/ChangeLog
index baf6dbc7e6..1f7f41fb26 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Wed Sep 15 07:27:52 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* string.c (rb_str_times): mentioned about Hash argument.  a patch
+	  from Daniel Bovensiepen at [ruby-core:32386].
+
+	* sprintf.c (get_hash): ditto, and fix typo.
+
 Wed Sep 15 07:22:20 2010  Tanaka Akira  <akr@fsij.org>
 
 	* ext/pathname/pathname.c (path_entries): Pathname#entries translated
diff --git a/sprintf.c b/sprintf.c
index 4f3b51701e..a9e560b48e 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -422,13 +422,13 @@ get_hash(volatile VALUE *hash, int argc, const VALUE *argv)
  *     sprintf("%u", -123)                        #=> "-123"
  *
  *  For more complex formatting, Ruby supports a reference by name.
- *  %<name>s style uses format style, but ${name} style doesn't.
+ *  %<name>s style uses format style, but %{name} style doesn't.
  *
  *  Exapmles:
  *    sprintf("%<foo>d : %<bar>f" % { :foo => 1, :bar => 2 })
  *      #=> 1 : 2.000000
- *    sprintf("%d %{foo}" % { :foo => 'bar' })
- *      # => "%d bar"
+ *    sprintf("%{foo}f" % { :foo => 1 })
+ *      # => "1f"
  */
 
 VALUE
diff --git a/string.c b/string.c
index f96c770f04..4ae149f0c4 100644
--- a/string.c
+++ b/string.c
@@ -1224,12 +1224,13 @@ rb_str_times(VALUE str, VALUE times)
  *
  *  Format---Uses <i>str</i> as a format specification, and returns the result
  *  of applying it to <i>arg</i>. If the format specification contains more than
- *  one substitution, then <i>arg</i> must be an <code>Array</code> containing
- *  the values to be substituted. See <code>Kernel::sprintf</code> for details
- *  of the format string.
+ *  one substitution, then <i>arg</i> must be an <code>Array</code> or <code>Hash</code>
+ *  containing the values to be substituted. See <code>Kernel::sprintf</code> for
+ *  details of the format string.
  *
  *     "%05d" % 123                              #=> "00123"
  *     "%-5s: %08x" % [ "ID", self.object_id ]   #=> "ID   : 200e14d6"
+ *     "foo = %{foo}" % { :foo => 'bar' }        #=> "foo = bar"
  */
 
 static VALUE