diff --git a/proc.c b/proc.c
index ed44512ca1..34722a65c8 100644
--- a/proc.c
+++ b/proc.c
@@ -1082,7 +1082,7 @@ rb_mod_public_instance_method(VALUE mod, VALUE vid)
  *     define_method(symbol) { block }   => proc
  *  
  *  Defines an instance method in the receiver. The _method_
- *  parameter can be a +Proc+ or +Method+ object.
+ *  parameter can be a +Proc+, a +Method+ or an +UnboundMethod+ object.
  *  If a block is specified, it is used as the method body. This block
  *  is evaluated using <code>instance_eval</code>, a point that is
  *  tricky to demonstrate because <code>define_method</code> is private.
diff --git a/version.h b/version.h
index 6bd9c527e7..a3c33ce2ec 100644
--- a/version.h
+++ b/version.h
@@ -1,5 +1,5 @@
 #define RUBY_VERSION "1.9.1"
-#define RUBY_PATCHLEVEL 349
+#define RUBY_PATCHLEVEL 350
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 1