Fix some typos

lib/capybara/helpers.rb

@@ -112,7 +112,7 @@ module Capybara
     #
     # A poor man's `pluralize`. Given two declensions, one singular and one
     # plural, as well as a count, this will pick the correct declension. This
-    # way we can generate gramatically correct error message.
+    # way we can generate grammatically correct error message.
     #
     # @param [String] singular     The singular form of the word
     # @param [String] plural       The plural form of the word

lib/capybara/node/base.rb

@@ -40,14 +40,14 @@ module Capybara
 
       ##
       #
-      # This method is Capybara's primary defence agains asynchronicity
+      # This method is Capybara's primary defence against asynchronicity
       # problems. It works by attempting to run a given block of code until it
       # succeeds. The exact behaviour of this method depends on a number of
       # factors. Basically there are certain exceptions which, when raised
       # from the block, instead of bubbling up, are caught, and the block is
       # re-run.
       #
-      # Certain drivers, such as RackTest, have no support for aynchronous
+      # Certain drivers, such as RackTest, have no support for asynchronous
       # processes, these drivers run the block, and any error raised bubbles up
       # immediately. This allows faster turn around in the case where an
       # expectation fails.
@@ -61,7 +61,7 @@ module Capybara
       #
       # As long as any of these exceptions are thrown, the block is re-run,
       # until a certain amount of time passes. The amount of time defaults to
-      # {Capybara.default_wait_time} and can be overriden through the `seconds`
+      # {Capybara.default_wait_time} and can be overridden through the `seconds`
       # argument. This time is compared with the system time to see how much
       # time has passed. If the return value of `Time.now` is stubbed out,
       # Capybara will raise `Capybara::FrozenInTime`.

lib/capybara/rack_test/form.rb

@@ -1,6 +1,6 @@
 class Capybara::RackTest::Form < Capybara::RackTest::Node
   # This only needs to inherit from Rack::Test::UploadedFile because Rack::Test checks for
-  # the class specifically when determing whether to consturct the request as multipart.
+  # the class specifically when determining whether to construct the request as multipart.
   # That check should be based solely on the form element's 'enctype' attribute value,
   # which should probably be provided to Rack::Test in its non-GET request methods.
   class NilUploadedFile < Rack::Test::UploadedFile

lib/capybara/spec/public/jquery.js

@@ -4768,7 +4768,7 @@ if ( document.documentElement.compareDocumentPosition ) {
 	};
 }
 
-// Utility function for retreiving the text value of an array of DOM nodes
+// Utility function for retrieving the text value of an array of DOM nodes
 Sizzle.getText = function( elems ) {
 	var ret = "", elem;