fix formatting errors [ci skip]

activerecord/README.rdoc

@@ -20,6 +20,8 @@ A short rundown of some of the major features:
    class Product < ActiveRecord::Base
    end
   
+  {Learn more}[link:classes/ActiveRecord/Base.html]
+  
 The Product class is automatically mapped to the table named "products",
 which might look like this:
 
@@ -30,9 +32,7 @@ which might look like this:
    );
 
 This would also define the following accessors: `Product#name` and
-   `Product#name=(new_name)`
-
-  {Learn more}[link:classes/ActiveRecord/Base.html]
+`Product#name=(new_name)`.
   
 
 * Associations between objects defined by simple class methods.