diff --git a/.readthedocs.yml b/.readthedocs.yml
index fbdc74ec..d51bc576 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,3 +1,4 @@
+---
 version: 2
 
 build:
@@ -9,5 +10,5 @@ mkdocs:
   configuration: mkdocs.yml
 
 python:
-   install:
-   - requirements: requirements.txt
\ No newline at end of file
+  install:
+    - requirements: requirements.txt