diff --git a/docs/turn-loop/config.md b/docs/turn-loop/config.md
index 49a0be20..6d027c01 100644
--- a/docs/turn-loop/config.md
+++ b/docs/turn-loop/config.md
@@ -242,7 +242,7 @@ programmatically and don't pass `--message-format json` themselves.
 
 <!-- vale Microsoft.Avoid = NO -->
 <!-- "backend" here means "which LLM API provider" (a genuinely pluggable
-     choice, matching the nix option's own name `backendEnvironmentFile`) --
+     choice, matching the nix option's own name `backendEnvironmentFile`) —
      not one internal system to name instead, so mara's #4041 ruling doesn't
      apply to this section. -->