Merge pull request #574 from bkutil/doc-typo-fixes

Typo fixes in timer task comments

Author: jdantonio

lib/concurrent.rb

@@ -65,13 +65,13 @@
 #   Object references in Ruby are mutable. This can lead to serious
 #   problems when the {#value} of an object is a mutable reference. Which
 #   is always the case unless the value is a `Fixnum`, `Symbol`, or similar
-#   "primative" data type. Each instance can be configured with a few
+#   "primitive" data type. Each instance can be configured with a few
 #   options that can help protect the program from potentially dangerous
-#   operations. Each of these options can be optionally set when the oject
+#   operations. Each of these options can be optionally set when the object
 #   instance is created:
 #
 #   * `:dup_on_deref` When true the object will call the `#dup` method on
-#     the `value` object every time the `#value` methid is called
+#     the `value` object every time the `#value` method is called
 #     (default: false)
 #   * `:freeze_on_deref` When true the object will call the `#freeze`
 #     method on the `value` object every time the `#value` method is called

lib/concurrent/timer_task.rb

@@ -41,7 +41,7 @@ module Concurrent
   #
   # The `TimerTask` class includes the `Dereferenceable` mixin module so the
   # result of the last execution is always available via the `#value` method.
-  # Derefencing options can be passed to the `TimerTask` during construction or
+  # Dereferencing options can be passed to the `TimerTask` during construction or
   # at any later time using the `#set_deref_options` method.
   #
   # `TimerTask` supports notification through the Ruby standard library