diff --git a/src/vigenere_api/api/helpers/errors.py b/src/vigenere_api/api/helpers/errors.py
index d6a493ed551d6104bbaf9677f286135f72310484..fd3c76a589a939d046ee1626bbdbbf6989b5df36 100644
--- a/src/vigenere_api/api/helpers/errors.py
+++ b/src/vigenere_api/api/helpers/errors.py
@@ -44,7 +44,7 @@ class ExcludedPathTypeError(TypeError):
         super().__init__(
             "The excluded route collection contains something else than a string."
             + f" The path '{path}' is bad. Please give a collection of string."
-            + f" Complete collection: '{excluded}'"
+            + f" Complete collection: '{excluded}'",
         )
 
 
diff --git a/src/vigenere_api/version/errors.py b/src/vigenere_api/version/errors.py
index 37fe613dda05f1cbd3ef0f8b52f74d6e4fe4ef6a..aea404403789020d26e73a9dd4ebfba9be6a4747 100644
--- a/src/vigenere_api/version/errors.py
+++ b/src/vigenere_api/version/errors.py
@@ -40,7 +40,7 @@ class ElementVersionTypeError(TypeError):
         cls_name = type(element).__qualname__
         super().__init__(
             f"The {element_type} is '{cls_name}'."
-            + " Please give an integer greater or equal to zero."
+            + " Please give an integer greater or equal to zero.",
         )
 
 
@@ -77,7 +77,7 @@ class InvalidElementValueError(ValueError):
     def __init__(self, element: int, element_type: Element) -> None:
         super().__init__(
             f"The {element_type} is equal to '{element}'."
-            + " Please give an integer greater or equal to zero."
+            + " Please give an integer greater or equal to zero.",
         )