Fixes to error text

Author: johnnyshields

lib/config/locales/en.yml

@@ -177,13 +177,13 @@ en:
             https://docs.mongodb.com/mongoid/current/reference/fields/#custom-field-options"
         invalid_field_type:
           message: "Invalid field type %{type_inspection} for field '%{field}' on model '%{klass}'."
-          summary: "Model '%{klass}' defines a field '%{field}' with an unknown :type value
+          summary: "Model '%{klass}' declares a field '%{field}' with an unknown :type value
             %{type_inspection}. This value is neither present in Mongoid's default type mapping,
             nor defined in a custom field type mapping."
           resolution: "Please provide a valid :type value for the field. If you
             meant to define a custom field type, please do so first as follows:\n\n
             \_\_Mongoid::Fields.configure do\n
-            \_\_\_\_type %{type_inspection}, YourTypeClass
+            \_\_\_\_define_type %{type_inspection}, YourTypeClass
             \_\_end\n
             \_\_class %{klass}\n
             \_\_\_\_include Mongoid::Document\n

spec/mongoid/errors/invalid_field_type_spec.rb

@@ -23,7 +23,7 @@
 
       it "contains the summary in the message" do
         expect(error.message).to include(
-          "Model 'Person' defines a field 'first_name' with an unknown :type value :stringgy."
+          "Model 'Person' declares a field 'first_name' with an unknown :type value :stringgy."
         )
       end
     end
@@ -41,7 +41,7 @@
 
       it "contains the summary in the message" do
         expect(error.message).to include(
-          %q,Model 'Person' defines a field 'first_name' with an unknown :type value "stringgy".,
+          %q,Model 'Person' declares a field 'first_name' with an unknown :type value "stringgy".,
         )
       end
     end

spec/mongoid/fields_spec.rb

@@ -369,15 +369,15 @@
         it 'raises InvalidFieldType' do
           lambda do
             klass.field(:test, type:  :bogus)
-          end.should raise_error(Mongoid::Errors::InvalidFieldType, /defines a field :test with an unknown :type value :bogus/)
+          end.should raise_error(Mongoid::Errors::InvalidFieldType, /declares a field 'test' with an unknown :type value :bogus/)
         end
       end
 
       context 'when using an unknown string' do
         it 'raises InvalidFieldType' do
           lambda do
             klass.field(:test, type:  'bogus')
-          end.should raise_error(Mongoid::Errors::InvalidFieldType, /defines a field :test with an unknown :type value "bogus"/)
+          end.should raise_error(Mongoid::Errors::InvalidFieldType, /declares a field 'test' with an unknown :type value "bogus"/)
         end
       end
     end