Correct old typo (#2906)

Chris Chinchilla · web-flow · commit 55da4f3ac669 · 2020-11-17T09:56:12.000+01:00
diff --git a/site/content/m3query/_index.md b/site/content/m3query/_index.md
@@ -1,5 +1,5 @@
 ---
-title: "M3 Query, a statelees query server for M3DB and Prometheus"
+title: "M3 Query, a stateless query server for M3DB and Prometheus"
 menuTitle: "M3 Query"
 weight: 5
 chapter: true
