diff --git a/ChangeLog b/ChangeLog
index a583d5ca74..99026500b6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,7 +6,7 @@ Sun Jun  6 19:55:21 2010  Tanaka Akira  <akr@fsij.org>
 Sun Jun  6 12:31:57 2010  Narihiro Nakamura  <authorNari@gmail.com>
 
 	* gc.c: set_heaps_increment is not
-	  called before gc_makrs of lazy sweeping because live_num not
+	  called before gc_marks of lazy sweeping because live_num not
 	  contain finalize objects. So call set_heaps_increment after lazy
 	  sweeping if free_num are not enough. And move free_min to struct
 	  rb_objspace for above.  [ruby-dev:41499]
@@ -408,7 +408,7 @@ Fri May 28 10:40:37 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 Fri May 28 00:47:16 2010  Masaya Tarui  <tarui@ruby-lnag.org>
 
 	* error.c (rb_bug): suppress the error report dialog if report_bug()
-	  is finished successfly.
+	  is finished successfully.
 
 Fri May 28 00:32:25 2010  Yusuke Endoh  <mame@tsg.ne.jp>