diff --git a/src/onelogin/saml2/errors.py b/src/onelogin/saml2/errors.py
index cdb825e0..f00d51b2 100644
--- a/src/onelogin/saml2/errors.py
+++ b/src/onelogin/saml2/errors.py
@@ -100,7 +100,7 @@ class OneLogin_Saml2_ValidationError(Exception):
     NO_SIGNED_ASSERTION = 33
     NO_SIGNATURE_FOUND = 34
     KEYINFO_NOT_FOUND_IN_ENCRYPTED_DATA = 35
-    CHILDREN_NODE_NOT_FOIND_IN_KEYINFO = 36
+    CHILDREN_NODE_NOT_FOUND_IN_KEYINFO = 36
     UNSUPPORTED_RETRIEVAL_METHOD = 37
     NO_NAMEID = 38
     EMPTY_NAMEID = 39
diff --git a/src/onelogin/saml2/response.py b/src/onelogin/saml2/response.py
index 9968788b..f2aca97f 100644
--- a/src/onelogin/saml2/response.py
+++ b/src/onelogin/saml2/response.py
@@ -727,7 +727,7 @@ def __decrypt_assertion(self, xml):
                 if not children:
                     raise OneLogin_Saml2_ValidationError(
                         'KeyInfo has no children nodes, invalid Assertion',
-                        OneLogin_Saml2_ValidationError.CHILDREN_NODE_NOT_FOIND_IN_KEYINFO
+                        OneLogin_Saml2_ValidationError.CHILDREN_NODE_NOT_FOUND_IN_KEYINFO
                     )
                 for child in children:
                     if 'RetrievalMethod' in child.tag: