Merge pull request #2237 from guillaumebernard84/dev-en-idempotence

[EN] update idempotence

Author: castrojo

content/en/idempotence.md

@@ -7,4 +7,4 @@ tags: ["property", "", ""]
 
 In maths or computer science, idempotence describes an operation that always leads to the same outcome, 
 no matter how many times you execute it. 
-If the parameters are the same, an idempotent operation won't affect the application it calls.
+If the parameters are the same, executing an idempotent operation several times will have no additional effect.