diff --git a/ChangeLog b/ChangeLog
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+++ b/ChangeLog
@@ -1,7 +1,7 @@
 Sun Feb 22 15:56:06 2015  Kazuki Tsujimoto  <kazuki@callcc.net>
 
 	* vm_insnhelper.c (rb_vm_rewrite_cref_stack): copy nd_refinements
-	  of orignal crefs. It fixes segmentation fault when calling
+	  of original crefs. It fixes segmentation fault when calling
 	  refined method in duplicate module. [ruby-dev:48878] [Bug #10885]
 
 	* vm_core.h, class.c: change accordingly.