diff --git a/amazon_paapi/errors/exceptions.py b/amazon_paapi/errors/exceptions.py
index dd3ef8f..544d0bb 100644
--- a/amazon_paapi/errors/exceptions.py
+++ b/amazon_paapi/errors/exceptions.py
@@ -33,7 +33,7 @@ class ItemsNotFoudException(AmazonException):
     pass
 
 class TooManyRequestsException(AmazonException):
-    """Raised if too many requests are made"""
+    """Raised when requests limit is reached"""
     pass
 
 class InvalidPartnerTagException(AmazonException):
@@ -41,5 +41,5 @@ class InvalidPartnerTagException(AmazonException):
     pass
 
 class AssociateValidationException(AmazonException):
-    """Raised when credentials are not valid for the selected country."""
+    """Raised when credentials are not valid for the selected country"""
     pass
diff --git a/amazon_paapi/tools/asin.py b/amazon_paapi/tools/asin.py
index fafc680..436aafc 100644
--- a/amazon_paapi/tools/asin.py
+++ b/amazon_paapi/tools/asin.py
@@ -15,4 +15,4 @@ def get_asin(text: str) -> str:
     if asin:
         return asin.group(2)
     else:
-        raise AsinNotFoundException('Asin not found found')
+        raise AsinNotFoundException('Asin not found: ' + text)
diff --git a/setup.py b/setup.py
index 7b15f8e..bb7b9e3 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name='python-amazon-paapi',
-    version='4.1.0',
+    version='4.1.1',
     author='Sergio Abad',
     author_email='sergio.abad@bytelix.com',
     description='Amazon Product Advertising API 5.0 wrapper for Python',