README.md in mongoid-rspec-4.0.0 vs README.md in mongoid-rspec-4.0.1

@@ -16,11 +16,11 @@
 
 ```
 
 ## Compatibility
 
-This gem is compatible with Mongoid 3, 4, 5 and 6.
+This gem is compatible with Mongoid 3, 4, 5, 6 and 7.
 
 ## Configuration
 
 ### Rails
 
@@ -288,9 +288,10 @@
   it { is_expected.to validate_inclusion_of(:locale).to_allow([:en, :ru]) }
 end
 
 RSpec.describe Article do
   it { is_expected.to validate_length_of(:title).within(8..16) }
+  it { is_expected.to validate_absence_of(:deletion_date) }
 end
 
 RSpec.describe Visitor do
   it { is_expected.to validate_length_of(:name).with_maximum(160).with_minimum(1) }
 end