diff --git a/src/Symfony/Component/Notifier/Bridge/AmazonSns/README.md b/src/Symfony/Component/Notifier/Bridge/AmazonSns/README.md
index db4759327f502..85cf8f271936d 100644
--- a/src/Symfony/Component/Notifier/Bridge/AmazonSns/README.md
+++ b/src/Symfony/Component/Notifier/Bridge/AmazonSns/README.md
@@ -7,9 +7,15 @@ DSN example
-----------
```
-AMAZON_SNS_DSN=sns://ACCESS_ID:ACCESS_KEY@default?region=REGION
+AMAZON_SNS_DSN=sns://ACCESS_ID:ACCESS_KEY@default?region=REGION&profile=PROFILE
```
+where:
+ - `ACCESS_ID` is your AWS access key id
+ - `ACCESS_KEY` is your AWS access key secret
+ - `REGION` is the AWS region targeted (optional, default: `us-east-1`)
+ - `PROFILE` is the name of your AWS configured profile (optional, default: `default`)
+
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