diff --git a/docs/reference/configuration.md b/docs/reference/configuration.md
index a835299..bc9e546 100644
--- a/docs/reference/configuration.md
+++ b/docs/reference/configuration.md
@@ -364,8 +364,7 @@ for the live suite). While it is set, `task`, `review` and `doctor` read those t
 profile instead of from `wikitool.json` and `.wikitool-local.json`, so one checkout can be run against
 several trackers in turn. A profile is checked like the local file, except that a plain instance-tier
 value is allowed in it; a secret is a reference there too, never a value. The live suite takes its
-throwaway tokens from `WIKITOOL_SECRET_<NAME>`
-([tracker-testing.md](../../instructions/dev/tracker-testing.md)).
+throwaway tokens from `WIKITOOL_SECRET_<NAME>`.
 
 ## MCP submissions