diff --git a/ChangeLog b/ChangeLog
index 41d84b0e50..065b0defab 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Dec 14 18:19:03 2010  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* common.mk (help): there is no reason to use the abbreviation for here.
+
 Tue Dec 14 15:03:46 2010  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* test/ruby/test_io.rb (test_reopen, test_reinitialize): should close
diff --git a/common.mk b/common.mk
index 58a6740f25..03558c11d7 100644
--- a/common.mk
+++ b/common.mk
@@ -909,7 +909,7 @@ help: PHONY
 	"  install-nodoc:   install without rdoc" \
 	"  install-cross:   install cross compiling staff" \
 	"  clean:           clean for tarball" \
-	"  distclean:       clean for repo" \
+	"  distclean:       clean for repository" \
 	"  change:          make change log template" \
 	"  golf:            for golfers" \
 	"" \