diff --git a/docs/reference/modules/remote-clusters.asciidoc b/docs/reference/modules/remote-clusters.asciidoc
index 6663a5f035ed9..52fe0ba42064e 100644
--- a/docs/reference/modules/remote-clusters.asciidoc
+++ b/docs/reference/modules/remote-clusters.asciidoc
@@ -39,7 +39,7 @@ node, while 6.7 can only communicate with 7.0. Version compatibility  is
 symmetric, meaning that if 6.7 can communicate with 7.0, 7.0 can also
 communicate with 6.7. The matrix below summarizes compatibility as described above.
 
-[cols="^,^,^,^,^,^"]
+[cols="^,^,^,^,^,^,^,^"]
 |====
 | Compatibility | 5.0->5.5 | 5.6 | 6.0->6.6 | 6.7 | 6.8 | 7.0 | 7.1->7.x
 | 5.0->5.5      |    Yes   | Yes |    No    | No  | No  | No  |    No