diff --git a/activemodel/lib/active_model/validations/presence.rb b/activemodel/lib/active_model/validations/presence.rb
index 35af7152db..9a643a6f5c 100644
--- a/activemodel/lib/active_model/validations/presence.rb
+++ b/activemodel/lib/active_model/validations/presence.rb
@@ -25,14 +25,14 @@ module ActiveModel
       # This is due to the way Object#blank? handles boolean values: <tt>false.blank? # => true</tt>.
       #
       # Configuration options:
-      # * <tt>message</tt> - A custom error message (default is: "can't be blank").
+      # * <tt>:message</tt> - A custom error message (default is: "can't be blank").
       # * <tt>:on</tt> - Specifies when this validation is active. Runs in all
       #   validation contexts by default (+nil+), other options are <tt>:create</tt>
       #   and <tt>:update</tt>.
-      # * <tt>if</tt> - Specifies a method, proc or string to call to determine if the validation should
+      # * <tt>:if</tt> - Specifies a method, proc or string to call to determine if the validation should
       #   occur (e.g. <tt>:if => :allow_validation</tt>, or <tt>:if => Proc.new { |user| user.signup_step > 2 }</tt>).
       #   The method, proc or string should return or evaluate to a true or false value.
-      # * <tt>unless</tt> - Specifies a method, proc or string to call to determine if the validation should
+      # * <tt>:unless</tt> - Specifies a method, proc or string to call to determine if the validation should
       #   not occur (e.g. <tt>:unless => :skip_validation</tt>, or <tt>:unless => Proc.new { |user| user.signup_step <= 2 }</tt>).
       #   The method, proc or string should return or evaluate to a true or false value.
       # * <tt>:strict</tt> - Specifies whether validation should be strict. 
diff --git a/activemodel/lib/active_model/validations/with.rb b/activemodel/lib/active_model/validations/with.rb
index 93a340eb39..72b8562b93 100644
--- a/activemodel/lib/active_model/validations/with.rb
+++ b/activemodel/lib/active_model/validations/with.rb
@@ -56,7 +56,7 @@ module ActiveModel
       #   if the validation should occur (e.g. <tt>:if => :allow_validation</tt>,
       #   or <tt>:if => Proc.new { |user| user.signup_step > 2 }</tt>).
       #   The method, proc or string should return or evaluate to a true or false value.
-      # * <tt>unless</tt> - Specifies a method, proc or string to call to
+      # * <tt>:unless</tt> - Specifies a method, proc or string to call to
       #   determine if the validation should not occur
       #   (e.g. <tt>:unless => :skip_validation</tt>, or
       #   <tt>:unless => Proc.new { |user| user.signup_step <= 2 }</tt>).