diff --git a/curriculum/challenges/english/07-scientific-computing-with-python/learn-string-manipulation-by-building-a-cipher/6555201d9b7fc917399f9f0b.md b/curriculum/challenges/english/07-scientific-computing-with-python/learn-string-manipulation-by-building-a-cipher/6555201d9b7fc917399f9f0b.md
index b51599724ea..2cbbb0a082a 100644
--- a/curriculum/challenges/english/07-scientific-computing-with-python/learn-string-manipulation-by-building-a-cipher/6555201d9b7fc917399f9f0b.md
+++ b/curriculum/challenges/english/07-scientific-computing-with-python/learn-string-manipulation-by-building-a-cipher/6555201d9b7fc917399f9f0b.md
@@ -7,7 +7,7 @@ dashedName: step-80
 
 # --description--
 
-The `.isalpha()` method returns `True` if all the character of the string on which it is called are letters. For example, the code below returns `True`:
+The `.isalpha()` method returns `True` if all of the characters of the string on which it is called are letters. For example, the code below returns `True`:
 
 ```py
 'freeCodeCamp'.isalpha()