diff --git a/docs/_writing-tests/rendering.md b/docs/_writing-tests/rendering.md
index 31abeb4f424bfb..aff576893384a1 100644
--- a/docs/_writing-tests/rendering.md
+++ b/docs/_writing-tests/rendering.md
@@ -9,7 +9,7 @@ these are especially using for [visual][] tests which need to be manually
 judged and following common patterns makes it easier to correctly tell if a
 given test passed or not.
 
-## Make Tests Self-Describing
+## Make tests self-describing
 
 Tests should make it obvious when they pass and when they fail. It shouldn't be necessary to consult the specification to figure out whether a test has passed of failed.