diff --git a/pydantic_extra_types/currency_code.py b/pydantic_extra_types/currency_code.py
index 3c8e0a1..7767ae0 100644
--- a/pydantic_extra_types/currency_code.py
+++ b/pydantic_extra_types/currency_code.py
@@ -132,7 +132,7 @@ def _validate(cls, currency_symbol: str, _: core_schema.ValidationInfo) -> str:
             raise PydanticCustomError(
                 'InvalidCurrency',
                 'Invalid currency code.'
-                ' See https://en.wikipedia.org/wiki/ISO_4217. '
+                ' See https://en.wikipedia.org/wiki/ISO_4217 . '
                 'Bonds, testing and precious metals codes are not allowed.',
             )
         return currency_symbol