* lib/time.rb: [DOC] Fix typo

s/formating/formatting/
[ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44441 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/time.rb

@@ -339,7 +339,7 @@ class Time
     #
     #   Time.strptime(...) {|y| y < 100 ? (y >= 69 ? y + 1900 : y + 2000) : y}
     #
-    # Below is a list of the formating options:
+    # Below is a list of the formatting options:
     #
     # %a :: The abbreviated weekday name ("Sun")
     # %A :: The  full  weekday  name ("Sunday")