diff --git a/9-regular-expressions/17-regexp-methods/article.md b/9-regular-expressions/17-regexp-methods/article.md
index 0cafbbeb..897d0ffb 100644
--- a/9-regular-expressions/17-regexp-methods/article.md
+++ b/9-regular-expressions/17-regexp-methods/article.md
@@ -232,10 +232,10 @@ Using a function gives us the ultimate replacement power, because it gets all th
 
 This method is essentially the same as `str.replace`, with two major differences:
 
-1. If the first argument is a string, it replaces *all occurences* of the string, while `replace` replaces only the *first occurence*.
+1. If the first argument is a string, it replaces *all occurrences* of the string, while `replace` replaces only the *first occurrence*.
 2. If the first argument is a regular expression without the `g` flag, there'll be an error. With `g` flag, it works the same as `replace`.
 
-The main use case for `replaceAll` is replacing all occurences of a string.
+The main use case for `replaceAll` is replacing all occurrences of a string.
 
 Like this: