update readme

Author: sairamsrinivasan

README.md

@@ -256,14 +256,14 @@ RSpec.describe Article do
   it { is_expected.to embed_many(:comments) }
 end
 
-# when the touch option is provided, then we can also verify that it is set.
+# when the touch option is provided, then we can also verify that it is set
 
-# by default, with_touch matches true when no parameters are provided.
+# by default, with_touch matches true when no parameters are provided
 describe Article do
   it { is_expected.to belong_to(:author).of_type(User).as_inverse_of(:articles).with_index.with_touch }
 end
 
-# parameters are supported for explicit matching.
+# parameters are supported for explicit matching
 describe Comment do
   it { is_expected.to be_embedded_in(:article).as_inverse_of(:comments).with_polymorphism.with_touch(true) }
 end
@@ -272,7 +272,7 @@ describe Permalink do
   it { is_expected.to be_embedded_in(:linkable).as_inverse_of(:link).with_touch(false) } 
 end
 
-# touch can also take a symbol represneting a field on the parent to touch.
+# touch can also take a symbol representing a field on the parent to touch
 describe Record do
   it { is_expected.to belong_to(:user).as_inverse_of(:record).with_touch(:record_updated_at) }
 end