Fix several typos in docs and comments

README.md

@@ -116,7 +116,7 @@ new_request = client.request_data
 request_data.patient.first_name = 'John'
 
 request = client.create_request new_request
-request.patient.first_name      # => 'Jonhn'
+request.patient.first_name      # => 'John'
 ```
 
 

lib/cover_my_meds/client.rb

@@ -20,15 +20,15 @@ class Client
     include CoverMyMeds::RequestPages
     include CoverMyMeds::Indicators
 
-    # use the block to set module privided instance variables:
+    # use the block to set module-provided instance variables:
     # ```ruby
     # Client.new('mark') do |client|
     #   client.contacts_path = '/'
     #   client.contacts_host = 'http://contacts-api.dev'
     # end
     # ```
     #
-    # Defaults are to proudction to make it easy for external gem consumers.
+    # Defaults to production to make it easy for external gem consumers.
     def initialize(username, password=nil)
       @username = username
       @password = password

spec/meta/host_and_path_spec.rb

@@ -34,7 +34,7 @@ def default_host
     end
   end
 
-  describe "the added resouce-partially-applied method for web requests" do
+  describe "the added resource-partially-applied method for web requests" do
     it "should proxy for #request" do
       expect(subject).to receive(:request).with(:GET, "http://default-host.com", "/example-api-resources/", {v: 1})
       subject.example_api_resources_request(:GET, params: {v: 1})