diff --git a/src/ytdl_sub/validators/string_formatter_validators.py b/src/ytdl_sub/validators/string_formatter_validators.py
index d5f2a00f..4408680f 100644
--- a/src/ytdl_sub/validators/string_formatter_validators.py
+++ b/src/ytdl_sub/validators/string_formatter_validators.py
@@ -226,7 +226,9 @@ class OverridesIntegerFormatterValidator(StringFormatterValidator):
         try:
             int(output)
         except Exception as exc:
-            raise self._validation_exception(f"Expected an integer, but received '{output}'") from exc
+            raise self._validation_exception(
+                f"Expected an integer, but received '{output}'"
+            ) from exc
         return output