diff --git a/dot_config/yamlfmt/yamlfmt.yml b/dot_config/yamlfmt/yamlfmt.yml
index 903d99f..fda5795 100644
--- a/dot_config/yamlfmt/yamlfmt.yml
+++ b/dot_config/yamlfmt/yamlfmt.yml
@@ -1,4 +1,6 @@
+---
 formatter:
   type: basic
   retain_line_breaks_single: true
   include_document_start: true
+  max_line_length: 160