diff --git a/.gitignore b/.gitignore
index 2838b93..9a9b74b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -126,4 +126,3 @@ coverage
 tempConv
 extracted.json
 tools
-docs
diff --git a/README.md b/README.md
index af5fdb5..772a419 100644
--- a/README.md
+++ b/README.md
@@ -108,13 +108,12 @@ Click [here »](https://github.com/danog/tg-file-decoder/blob/master/docs/i
 ### Building custom file IDs
 
 ```php
-$fileId = new FileId;
-
-$fileId->setType(STICKER);
-$fileId->setId($id);
-$fileId->setAccessHash($customHash);
-
-// You get it...
+$fileId = new FileId(
+    type: FileIdType::STICKER,
+    id: $id,
+    accessHash: $accessHash,
+    // and so on...
+);
 
 $encoded = (string) $fileId; // CAACAgQAAxkDAAJEsl44nl3yxPZ8biI8uhaA7rbQceOSAAKtAQACsTisUXvMEbVnTuQkGAQ, or something
 ```