* lib/yaml.rb: fix typo. [ci skip][fix GH-890]

Patch by @miketheman

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50422 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sun May  3 21:59:48 2015  SHIBATA Hiroshi  <hsbt@ruby-lang.org>
+
+	* lib/yaml.rb: fix typo. [ci skip][fix GH-890]
+	  Patch by @miketheman
+
 Sun May  3 10:02:12 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* range.c (linear_object_p, range_include): test if covered for

lib/yaml.rb

@@ -52,7 +52,7 @@ YAML = Psych # :nodoc:
 # For more advanced details on the implementation see Psych, and also check out
 # http://yaml.org for spec details and other helpful information.
 #
-# Pysch is maintained by Aaron Patterson on github: https://github.com/tenderlove/psych
+# Psych is maintained by Aaron Patterson on github: https://github.com/tenderlove/psych
 #
 # Syck can also be found on github: https://github.com/tenderlove/syck
 module YAML