diff --git a/docs/docs/FILES.md b/docs/docs/FILES.md
index 8ff88407..64e97d0b 100644
--- a/docs/docs/FILES.md
+++ b/docs/docs/FILES.md
@@ -498,7 +498,7 @@ $output_file_name = yield $MadelineProto->downloadToFile(
Actual MessageMedia objects can also be converted to bot API file IDs like this:
```php
-$botAPI_file = yield $MadelineProto->MTProto_to_botAPI($MessageMedia);
+$botAPI_file = yield $MadelineProto->MTProtoToBotAPI($MessageMedia);
```
`$botAPI_file` now contains a [bot API message](https://core.telegram.org/bots/api#message), to extract the file ID from it use the following code:
@@ -542,4 +542,4 @@ if (!isset($result['file_name'])) {
* `$result['file_size']` - File size
* `$result['file_name']` - File name
-Next section
\ No newline at end of file
+Next section