failure message cleanup

lib/spec/matchers/be_instance_of.rb

@@ -11,7 +11,7 @@ def matches?(actual)
       end
 
       def description
-        "be instance of #{@expected}"
+        "be an instance of #{@expected}"
       end
 
       def failure_message

lib/spec/matchers/be_kind_of.rb

@@ -11,7 +11,7 @@ def matches?(actual)
       end
 
       def description
-        "be kind of #{@expected}"
+        "be a kind of #{@expected}"
       end
 
       def failure_message

spec/spec/matchers/be_instance_of_spec.rb

@@ -21,7 +21,7 @@ module Matchers
         end
 
         it "provides a description" do
-          Spec::Matchers::BeInstanceOf.new(Class).description.should == "be instance of Class"
+          Spec::Matchers::BeInstanceOf.new(Class).description.should == "be an instance of Class"
         end
       end
     end

spec/spec/matchers/be_kind_of_spec.rb

@@ -21,7 +21,7 @@ module Matchers
         end
 
         it "provides a description" do
-          Spec::Matchers::BeKindOf.new(Class).description.should == "be kind of Class"
+          Spec::Matchers::BeKindOf.new(Class).description.should == "be a kind of Class"
         end
       end
     end

spec/spec/matchers/description_generation_spec.rb

@@ -50,18 +50,6 @@
     Spec::Matchers.generated_description.should == "should be between 0 and 10"
   end
 
-  it "should be_few_words predicate should be transformed to 'be few words'" do
-    5.should be_kind_of(Fixnum)
-    Spec::Matchers.generated_description.should == "should be kind of Fixnum"
-  end
-
-  it "should preserve a proper prefix for be predicate" do
-    5.should be_a_kind_of(Fixnum)
-    Spec::Matchers.generated_description.should == "should be a kind of Fixnum"
-    5.should be_an_instance_of(Fixnum)
-    Spec::Matchers.generated_description.should == "should be an instance of Fixnum"
-  end
-
   it "should equal" do
     expected = "expected"
     expected.should equal(expected)