diff --git a/subjects/cat.en.md b/subjects/cat.en.md
index 8e5d2573..03a923b1 100644
--- a/subjects/cat.en.md
+++ b/subjects/cat.en.md
@@ -18,8 +18,6 @@ Write a program that has the same behaviour as the system's `cat` command-line.
 
 `"Alan Mathison Turing was an English mathematician, computer scientist, logician, cryptanalyst. Turing was highly influential in the development of theoretical computer science, providing a formalisation of the concepts of algorithm and computation with the Turing machine, which can be considered a model of a general-purpose computer. Turing is widely considered to be the father of theoretical computer science and artificial intelligence."`
 
--   In case of error the program should print the error.
-
 -   The program must be submitted inside a folder named `cat`.
 
 ```console
diff --git a/subjects/cat.fr.md b/subjects/cat.fr.md
index f7f04a64..1d677435 100644
--- a/subjects/cat.fr.md
+++ b/subjects/cat.fr.md
@@ -18,8 +18,6 @@
 
 `"Alan Mathison Turing was an English mathematician, computer scientist, logician, cryptanalyst. Turing was highly influential in the development of theoretical computer science, providing a formalisation of the concepts of algorithm and computation with the Turing machine, which can be considered a model of a general-purpose computer. Turing is widely considered to be the father of theoretical computer science and artificial intelligence."`
 
--   En cas d'erreur le programme doit imprimer l'erreur.
-
 -   L eprogramme doit être rendu dans un dossier nommé `cat`.
 
 ### Utilisation: