diff --git a/doc_source/services-rds.md b/doc_source/services-rds.md
index 8917eda2..e5e7f799 100644
--- a/doc_source/services-rds.md
+++ b/doc_source/services-rds.md
@@ -15,12 +15,12 @@ You can use AWS Lambda to process event notifications from an Amazon Relational
             "SignatureVersion": "1",
             "Timestamp": "2019-01-02T12:45:07.000Z",
             "Signature": "tcc6faL2yUC6dgZdmrwh1Y4cGa/ebXEkAi6RibDsvpi+tE/1+82j...65r==",
-            "SigningCertUrl": "https://sns.us-east-2.amazonaws.com/SimpleNotificationService-ac565b8b1a6c5d002d285f9598aa1d9b.pem",
+            "SigningCertURL": "https://sns.us-east-2.amazonaws.com/SimpleNotificationService-ac565b8b1a6c5d002d285f9598aa1d9b.pem",
             "MessageId": "95df01b4-ee98-5cb9-9903-4c221d41eb5e",
             "Message": "{\"Event Source\":\"db-instance\",\"Event Time\":\"2019-01-02 12:45:06.000\",\"Identifier Link\":\"https://console.aws.amazon.com/rds/home?region=eu-west-1#dbinstance:id=dbinstanceid\",\"Source ID\":\"dbinstanceid\",\"Event ID\":\"http://docs.amazonwebservices.com/AmazonRDS/latest/UserGuide/USER_Events.html#RDS-EVENT-0002\",\"Event Message\":\"Finished DB Instance backup\"}",
             "MessageAttributes": {},
             "Type": "Notification",
-            "UnsubscribeUrl": "https://sns.us-east-2.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:us-east-2:123456789012:test-lambda:21be56ed-a058-49f5-8c98-aedd2564c486",
+            "UnsubscribeURL": "https://sns.us-east-2.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:us-east-2:123456789012:test-lambda:21be56ed-a058-49f5-8c98-aedd2564c486",
             "TopicArn":"arn:aws:sns:us-east-2:123456789012:sns-lambda",
             "Subject": "RDS Notification Message"
           }
diff --git a/doc_source/with-sns.md b/doc_source/with-sns.md
index 3bcc95cb..88b92ab7 100644
--- a/doc_source/with-sns.md
+++ b/doc_source/with-sns.md
@@ -17,7 +17,7 @@ Amazon SNS invokes your function [asynchronously](invocation-async.md) with an e
         "SignatureVersion": "1",
         "Timestamp": "2019-01-02T12:45:07.000Z",
         "Signature": "tcc6faL2yUC6dgZdmrwh1Y4cGa/ebXEkAi6RibDsvpi+tE/1+82j...65r==",
-        "SigningCertUrl": "https://sns.us-east-2.amazonaws.com/SimpleNotificationService-ac565b8b1a6c5d002d285f9598aa1d9b.pem",
+        "SigningCertURL": "https://sns.us-east-2.amazonaws.com/SimpleNotificationService-ac565b8b1a6c5d002d285f9598aa1d9b.pem",
         "MessageId": "95df01b4-ee98-5cb9-9903-4c221d41eb5e",
         "Message": "Hello from SNS!",
         "MessageAttributes": {
@@ -31,7 +31,7 @@ Amazon SNS invokes your function [asynchronously](invocation-async.md) with an e
           }
         },
         "Type": "Notification",
-        "UnsubscribeUrl": "https://sns.us-east-2.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:us-east-2:123456789012:test-lambda:21be56ed-a058-49f5-8c98-aedd2564c486",
+        "UnsubscribeURL": "https://sns.us-east-2.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:us-east-2:123456789012:test-lambda:21be56ed-a058-49f5-8c98-aedd2564c486",
         "TopicArn":"arn:aws:sns:us-east-2:123456789012:sns-lambda",
         "Subject": "TestInvoke"
       }
diff --git a/sample-apps/java-events/events/sns-notification.json b/sample-apps/java-events/events/sns-notification.json
index 9697ade6..84d8bbaa 100644
--- a/sample-apps/java-events/events/sns-notification.json
+++ b/sample-apps/java-events/events/sns-notification.json
@@ -12,11 +12,11 @@
                         "Value": "WyJ2YWx1ZSIsICJ2YWx1ZSJd"
                     }
                 },
-                "SigningCertUrl": "https://sns.us-east-2.amazonaws.com/SimpleNotificationService-a86cxmpl4e1f29c941702d737128f7b6.pem",
+                "SigningCertURL": "https://sns.us-east-2.amazonaws.com/SimpleNotificationService-a86cxmpl4e1f29c941702d737128f7b6.pem",
                 "MessageId": "476643b1-xmpl-526c-973d-1542ba9af1d6",
                 "Message": "Updated and expanded documentation for using Lambda with API Gateway, including support for HTTP APIs.",
                 "Subject": "Latest updates from AWS Lambda",
-                "UnsubscribeUrl": "https://sns.us-east-2.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:us-east-2:123456789012:java-events-topic:dd15418a-xmpl-4cfd-b418-f7fcb08c7ee4",
+                "UnsubscribeURL": "https://sns.us-east-2.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:us-east-2:123456789012:java-events-topic:dd15418a-xmpl-4cfd-b418-f7fcb08c7ee4",
                 "Type": "Notification",
                 "SignatureVersion": "1",
                 "Signature": "qZTBXMPL1MoX7HS+m/pg5lRzhJFdaTczB2KqZ6fUCMQGHMF7GhLLTxtC4Hkg2sUysGr14fpDSFRU7MBkzmQmRCXsV9odIHlrxAWvzUuCK2eUnVEoMWJWTH5uyZwWlQHllf9zt2f6eKtEu11yGUqCgzZPfTxg/yu3z/t0EKfdCwDmDL6XqzZbeFvk9uOC1ZIDVv/7cdnbjCslhyx7CTMDnJ7eSu8POgVNIgTItmGFXZDziG1LyV5Afw5fhwObAbypTkfmBSrFuEnDtlQUZvsUCqRJHvdm8g1MmcadSmS1YGBy3OI42oJAmNvfxgZ4/H+KPaXDuvqLNfaZa5qzyRULIg==",