diff --git a/website/docs/backends/types/s3.html.md b/website/docs/backends/types/s3.html.md
index 100e33ecbfff..baa0abd8daab 100644
--- a/website/docs/backends/types/s3.html.md
+++ b/website/docs/backends/types/s3.html.md
@@ -166,7 +166,9 @@ The following configuration options or environment variables are supported:
locking and consistency. The table must have a primary key named LockID. If
not present, locking will be disabled.
* `profile` - (Optional) This is the AWS profile name as set in the
- shared credentials file.
+ shared credentials file. It can also be sourced from the `AWS_PROFILE`
+ environment variable if `AWS_SDK_LOAD_CONFIG` is set to a truthy value,
+ e.g. `AWS_SDK_LOAD_CONFIG=1`.
* `shared_credentials_file` - (Optional) This is the path to the
shared credentials file. If this is not set and a profile is specified,
`~/.aws/credentials` will be used.