Update cl-camp3.en.md

subjects/cl-camp3.en.md

@@ -6,8 +6,8 @@
 
 Create a file `look`, which will look for and show, in the current directory and its sub-folders all the files :
 
--   starting with an `a` and,
--   all the files ending with a `z` and,
+-   starting with an `a` or,
+-   all the files ending with a `z` or,
 -   all files starting with `z` and ending with `a!`.
 
 ### Hint