diff --git a/ChangeLog b/ChangeLog
index d5b3231bc1..fe9b6e6c74 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Dec  8 10:19:02 2015  Jake Worth  <jakeworth82@gmail.com>
+
+	* lib/optparse.rb: fix double word typo in the document.
+	  [Misc #10608] [Fix GH-1126]
+
 Tue Dec  8 09:03:19 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/date/date_core.c (d_lite_lshift): should check the argument
diff --git a/lib/optparse.rb b/lib/optparse.rb
index e2cd964351..2e8b5971a2 100644
--- a/lib/optparse.rb
+++ b/lib/optparse.rb
@@ -172,7 +172,7 @@
 # ==== Using Built-in Conversions
 #
 # As an example, the built-in +Time+ conversion is used. The other built-in
-# conversions behave in in the same way.
+# conversions behave in the same way.
 # OptionParser will attempt to parse the argument
 # as a +Time+. If it succeeeds, that time will be passed to the
 # handler block. Otherwise, an exception will be raised.