diff --git a/README.md b/README.md
index a0ccc90..34b1371 100644
--- a/README.md
+++ b/README.md
@@ -544,7 +544,7 @@ Google's protobuf library is used to design protocol data. The protocol data str
 message Header {
     RequestType requestType = 1;
     bytes requestId = 2;
-	string error = 3;
+    string error = 3;
 }
 
 enum RequestType {
diff --git a/pkg/types/fileinfo/fileinfo.go b/pkg/types/fileinfo/fileinfo.go
index 411a4b0..4d4c9cb 100644
--- a/pkg/types/fileinfo/fileinfo.go
+++ b/pkg/types/fileinfo/fileinfo.go
@@ -84,6 +84,7 @@ func (f *FileInfo) WriteFileWithInfo(filePath string, fileContent io.Reader) err
 		if err != nil {
 			return err
 		}
+		defer file.Close()
 
 		// Set file metadata.
 		err = file.Chmod(f.Mode)
@@ -119,6 +120,7 @@ func (f *FileInfo) WriteFileWithInfo(filePath string, fileContent io.Reader) err
 			return err
 		}
 	}
+	defer file.Close()
 
 	// Write file content.
 	n, err := io.Copy(file, fileContent)