Explain not_in_registry? method in README

krmbzds · Jul 7, 2023 · df1ad59 · df1ad59
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@@ -56,6 +56,8 @@ Use ```registered?``` method to query the government registry:
 identity_number.registered?("Ahmet", "Yılmaz", 1987) #=> false
 ```
 
+There is also a convenience method called `not_in_registry?` which is the logical equivalent of `!registered?`.
+
 ### Generating Relatives
 
 You can generate ID numbers for your younger or elder relatives.