Update doc/api/index.md

avivkeller · Copilot · web-flow · commit 01a32b25b481 · 2026-02-28T19:10:20.000-05:00
Co-authored-by: Copilot &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/doc/api/index.md b/doc/api/index.md
@@ -1,4 +1,4 @@
-## Index
+# Index
 
 <!--introduced_in=v0.10.0-->
 
