2 files changed, 7 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 16d8f35a0e..01986e2680 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Mar  7 09:18:42 2015  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* tool/merger.rb: Added documentation to version method.
+	  [fix GH-847][ci skip] Patch by @magikid
+
 Fri Mar  6 22:50:36 2015  Koichi Sasada  <ko1@atdot.net>
 
 	* class.c (rb_prepend_module): need a WB for klass -> origin.
diff --git a/tool/merger.rb b/tool/merger.rb
index cd23a56cb3..68073ea1a5 100755
--- a/tool/merger.rb
+++ b/tool/merger.rb
@@ -40,6 +40,8 @@ def help
 end
 end
 
+# Prints the version of Ruby found in version.h
+
 def version
   v = p = nil
   open 'version.h', 'rb' do |f|