diff --git a/1-js/02-first-steps/09-alert-prompt-confirm/article.md b/1-js/02-first-steps/09-alert-prompt-confirm/article.md
index c14e0c85..8ba414e9 100644
--- a/1-js/02-first-steps/09-alert-prompt-confirm/article.md
+++ b/1-js/02-first-steps/09-alert-prompt-confirm/article.md
@@ -30,7 +30,7 @@ The function `prompt` accepts two arguments:
 result = prompt(title, [default]);
 ```
 
-It shows a modal window with a text message, an input field for the visitor, and the buttons OK/CANCEL.
+It shows a modal window with a text message, an input field for the visitor, and the buttons OK/Cancel.
 
 `title`
 : The text to show the visitor.
@@ -38,7 +38,7 @@ It shows a modal window with a text message, an input field for the visitor, and
 `default`
 : An optional second parameter, the initial value for the input field.
 
-The visitor may type something in the prompt input field and press OK. Or they can cancel the input by pressing CANCEL or hitting the `key:Esc` key.
+The visitor may type something in the prompt input field and press OK. Or they can cancel the input by pressing Cancel or hitting the `key:Esc` key.
 
 The call to `prompt` returns the text from the input field or `null` if the input was canceled.
 
@@ -74,7 +74,7 @@ The syntax:
 result = confirm(question);
 ```
 
-The function `confirm` shows a modal window with a `question` and two buttons: OK and CANCEL.
+The function `confirm` shows a modal window with a `question` and two buttons: OK and Cancel.
 
 The result is `true` if OK is pressed and `false` otherwise.
 
@@ -94,10 +94,10 @@ We covered 3 browser-specific functions to interact with visitors:
 : shows a message.
 
 `prompt`
-: shows a message asking the user to input text. It returns the text or, if CANCEL or `key:Esc` is clicked, `null`.
+: shows a message asking the user to input text. It returns the text or, if Cancel button or `key:Esc` is clicked, `null`.
 
 `confirm`
-: shows a message and waits for the user to press "OK" or "CANCEL". It returns `true` for OK and `false` for CANCEL/`key:Esc`.
+: shows a message and waits for the user to press "OK" or "Cancel". It returns `true` for OK and `false` for Cancel/`key:Esc`.
 
 All these methods are modal: they pause script execution and don't allow the visitor to interact with the rest of the page until the window has been dismissed.