Documentation updates - fixes issue #1267 [ci skip]

lib/capybara/node/actions.rb

@@ -20,19 +20,21 @@ def click_link_or_button(locator, options={})
       # alt text inside the link.
       #
       # @param [String] locator         text, id, title or nested image's alt attribute
-      # @param options
-      # @option options [String, Regexp] :href    The value the href attribute must equal
+      # @param options                  See {Capybara::Node::Finders#find_link}
       #
       def click_link(locator, options={})
         find(:link, locator, options).click
       end
 
       ##
       #
-      # Finds a button by id, text, value or title and clicks it.
-      #
-      # @param [String] locator      Text, id, value or title of button
+      # Finds a button on the page and clicks it.
+      # This can be any \<input> element of type submit, reset, image, button or it can be a
+      # \<button> element. All buttons can be found by their id, value, or title. \<button> elements can also be found
+      # by their text content, and image \<input> elements by their alt attribute
       #
+      # @param [String] locator      Which button to find
+      # @param options     See {Capybara::Node::Finders#find_button}
       def click_button(locator, options={})
         find(:button, locator, options).click
       end

lib/capybara/node/finders.rb

@@ -83,8 +83,11 @@ def find_link(locator, options={})
 
       ##
       #
-      # Find a button on the page. The button can be found by its id, name or value.
-      #
+      # Find a button on the page.
+      # This can be any \<input> element of type submit, reset, image, button or it can be a
+      # \<button> element. All buttons can be found by their id, value, or title. \<button> elements can also be found
+      # by their text content, and image \<input> elements by their alt attribute
+
       # @macro waiting_behavior
       #
       # @param [String] locator             Which button to find