diff --git a/.readthedocs.yml b/.readthedocs.yml
index f3581791..38f33eb6 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,4 +1,4 @@
-python:	python:
+python:
   version: 3.7
   install:
     - requirements: docs/requirements.txt