diff --git a/.env b/.env.dist
similarity index 100%
rename from .env
rename to .env.dist
diff --git a/.gitignore b/.gitignore
index 3d0079d..97cdb85 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 .idea
 .phpunit.cache
-vendor
\ No newline at end of file
+vendor
+.env
\ No newline at end of file
diff --git a/README.md b/README.md
index 9925e3b..de67a95 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ $fileHandler->open('file.txt');
 
 $fileHandler->open('php://stdout');
 
-fileHandler->write(data: "hello world");
+$fileHandler->write(data: "hello world");
 
 $fileHandler->close();
 
@@ -160,5 +160,17 @@ vendor/bin/file-diff oldFile newFile
 
 ```
 
+**File Integrity**
+
+```
+$fileHasher = new FileHashChecker();
+
+$fileHasher->hashFile(); 
+
+$fileHasher->verifyHash($fileHandlerObject,$hashListFileName);
+
+```
+
+